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From els...@apache.org
Subject [10/59] [partial] calcite git commit: [CALCITE-1078] Detach avatica from the core calcite Maven project
Date Mon, 07 Mar 2016 18:27:48 GMT
http://git-wip-us.apache.org/repos/asf/calcite/blob/5cee486f/avatica/src/main/java/org/apache/calcite/avatica/proto/Common.java
----------------------------------------------------------------------
diff --git a/avatica/src/main/java/org/apache/calcite/avatica/proto/Common.java b/avatica/src/main/java/org/apache/calcite/avatica/proto/Common.java
deleted file mode 100644
index 7d5cef9..0000000
--- a/avatica/src/main/java/org/apache/calcite/avatica/proto/Common.java
+++ /dev/null
@@ -1,17128 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to you under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: common.proto
-
-package org.apache.calcite.avatica.proto;
-
-@SuppressWarnings({"unused", "rawtypes"}) public final class Common {
-  private Common() {}
-  public static void registerAllExtensions(
-      com.google.protobuf.ExtensionRegistry registry) {
-  }
-  /**
-   * Protobuf enum {@code StatementType}
-   *
-   * <pre>
-   * Has to be consistent with Meta.StatementType
-   * </pre>
-   */
-  public enum StatementType
-      implements com.google.protobuf.ProtocolMessageEnum {
-    /**
-     * <code>SELECT = 0;</code>
-     */
-    SELECT(0, 0),
-    /**
-     * <code>INSERT = 1;</code>
-     */
-    INSERT(1, 1),
-    /**
-     * <code>UPDATE = 2;</code>
-     */
-    UPDATE(2, 2),
-    /**
-     * <code>DELETE = 3;</code>
-     */
-    DELETE(3, 3),
-    /**
-     * <code>UPSERT = 4;</code>
-     */
-    UPSERT(4, 4),
-    /**
-     * <code>MERGE = 5;</code>
-     */
-    MERGE(5, 5),
-    /**
-     * <code>OTHER_DML = 6;</code>
-     */
-    OTHER_DML(6, 6),
-    /**
-     * <code>CREATE = 7;</code>
-     */
-    CREATE(7, 7),
-    /**
-     * <code>DROP = 8;</code>
-     */
-    DROP(8, 8),
-    /**
-     * <code>ALTER = 9;</code>
-     */
-    ALTER(9, 9),
-    /**
-     * <code>OTHER_DDL = 10;</code>
-     */
-    OTHER_DDL(10, 10),
-    /**
-     * <code>CALL = 11;</code>
-     */
-    CALL(11, 11),
-    UNRECOGNIZED(-1, -1),
-    ;
-
-    /**
-     * <code>SELECT = 0;</code>
-     */
-    public static final int SELECT_VALUE = 0;
-    /**
-     * <code>INSERT = 1;</code>
-     */
-    public static final int INSERT_VALUE = 1;
-    /**
-     * <code>UPDATE = 2;</code>
-     */
-    public static final int UPDATE_VALUE = 2;
-    /**
-     * <code>DELETE = 3;</code>
-     */
-    public static final int DELETE_VALUE = 3;
-    /**
-     * <code>UPSERT = 4;</code>
-     */
-    public static final int UPSERT_VALUE = 4;
-    /**
-     * <code>MERGE = 5;</code>
-     */
-    public static final int MERGE_VALUE = 5;
-    /**
-     * <code>OTHER_DML = 6;</code>
-     */
-    public static final int OTHER_DML_VALUE = 6;
-    /**
-     * <code>CREATE = 7;</code>
-     */
-    public static final int CREATE_VALUE = 7;
-    /**
-     * <code>DROP = 8;</code>
-     */
-    public static final int DROP_VALUE = 8;
-    /**
-     * <code>ALTER = 9;</code>
-     */
-    public static final int ALTER_VALUE = 9;
-    /**
-     * <code>OTHER_DDL = 10;</code>
-     */
-    public static final int OTHER_DDL_VALUE = 10;
-    /**
-     * <code>CALL = 11;</code>
-     */
-    public static final int CALL_VALUE = 11;
-
-
-    public final int getNumber() {
-      if (index == -1) {
-        throw new java.lang.IllegalArgumentException(
-            "Can't get the number of an unknown enum value.");
-      }
-      return value;
-    }
-
-    public static StatementType valueOf(int value) {
-      switch (value) {
-        case 0: return SELECT;
-        case 1: return INSERT;
-        case 2: return UPDATE;
-        case 3: return DELETE;
-        case 4: return UPSERT;
-        case 5: return MERGE;
-        case 6: return OTHER_DML;
-        case 7: return CREATE;
-        case 8: return DROP;
-        case 9: return ALTER;
-        case 10: return OTHER_DDL;
-        case 11: return CALL;
-        default: return null;
-      }
-    }
-
-    public static com.google.protobuf.Internal.EnumLiteMap<StatementType>
-        internalGetValueMap() {
-      return internalValueMap;
-    }
-    private static final com.google.protobuf.Internal.EnumLiteMap<
-        StatementType> internalValueMap =
-          new com.google.protobuf.Internal.EnumLiteMap<StatementType>() {
-            public StatementType findValueByNumber(int number) {
-              return StatementType.valueOf(number);
-            }
-          };
-
-    public final com.google.protobuf.Descriptors.EnumValueDescriptor
-        getValueDescriptor() {
-      return getDescriptor().getValues().get(index);
-    }
-    public final com.google.protobuf.Descriptors.EnumDescriptor
-        getDescriptorForType() {
-      return getDescriptor();
-    }
-    public static final com.google.protobuf.Descriptors.EnumDescriptor
-        getDescriptor() {
-      return org.apache.calcite.avatica.proto.Common.getDescriptor().getEnumTypes().get(0);
-    }
-
-    private static final StatementType[] VALUES = values();
-
-    public static StatementType valueOf(
-        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
-      if (desc.getType() != getDescriptor()) {
-        throw new java.lang.IllegalArgumentException(
-          "EnumValueDescriptor is not for this type.");
-      }
-      if (desc.getIndex() == -1) {
-        return UNRECOGNIZED;
-      }
-      return VALUES[desc.getIndex()];
-    }
-
-    private final int index;
-    private final int value;
-
-    private StatementType(int index, int value) {
-      this.index = index;
-      this.value = value;
-    }
-
-    // @@protoc_insertion_point(enum_scope:StatementType)
-  }
-
-  /**
-   * Protobuf enum {@code Rep}
-   */
-  public enum Rep
-      implements com.google.protobuf.ProtocolMessageEnum {
-    /**
-     * <code>PRIMITIVE_BOOLEAN = 0;</code>
-     */
-    PRIMITIVE_BOOLEAN(0, 0),
-    /**
-     * <code>PRIMITIVE_BYTE = 1;</code>
-     */
-    PRIMITIVE_BYTE(1, 1),
-    /**
-     * <code>PRIMITIVE_CHAR = 2;</code>
-     */
-    PRIMITIVE_CHAR(2, 2),
-    /**
-     * <code>PRIMITIVE_SHORT = 3;</code>
-     */
-    PRIMITIVE_SHORT(3, 3),
-    /**
-     * <code>PRIMITIVE_INT = 4;</code>
-     */
-    PRIMITIVE_INT(4, 4),
-    /**
-     * <code>PRIMITIVE_LONG = 5;</code>
-     */
-    PRIMITIVE_LONG(5, 5),
-    /**
-     * <code>PRIMITIVE_FLOAT = 6;</code>
-     */
-    PRIMITIVE_FLOAT(6, 6),
-    /**
-     * <code>PRIMITIVE_DOUBLE = 7;</code>
-     */
-    PRIMITIVE_DOUBLE(7, 7),
-    /**
-     * <code>BOOLEAN = 8;</code>
-     */
-    BOOLEAN(8, 8),
-    /**
-     * <code>BYTE = 9;</code>
-     */
-    BYTE(9, 9),
-    /**
-     * <code>CHARACTER = 10;</code>
-     */
-    CHARACTER(10, 10),
-    /**
-     * <code>SHORT = 11;</code>
-     */
-    SHORT(11, 11),
-    /**
-     * <code>INTEGER = 12;</code>
-     */
-    INTEGER(12, 12),
-    /**
-     * <code>LONG = 13;</code>
-     */
-    LONG(13, 13),
-    /**
-     * <code>FLOAT = 14;</code>
-     */
-    FLOAT(14, 14),
-    /**
-     * <code>DOUBLE = 15;</code>
-     */
-    DOUBLE(15, 15),
-    /**
-     * <code>BIG_INTEGER = 25;</code>
-     */
-    BIG_INTEGER(16, 25),
-    /**
-     * <code>BIG_DECIMAL = 26;</code>
-     */
-    BIG_DECIMAL(17, 26),
-    /**
-     * <code>JAVA_SQL_TIME = 16;</code>
-     */
-    JAVA_SQL_TIME(18, 16),
-    /**
-     * <code>JAVA_SQL_TIMESTAMP = 17;</code>
-     */
-    JAVA_SQL_TIMESTAMP(19, 17),
-    /**
-     * <code>JAVA_SQL_DATE = 18;</code>
-     */
-    JAVA_SQL_DATE(20, 18),
-    /**
-     * <code>JAVA_UTIL_DATE = 19;</code>
-     */
-    JAVA_UTIL_DATE(21, 19),
-    /**
-     * <code>BYTE_STRING = 20;</code>
-     */
-    BYTE_STRING(22, 20),
-    /**
-     * <code>STRING = 21;</code>
-     */
-    STRING(23, 21),
-    /**
-     * <code>NUMBER = 22;</code>
-     */
-    NUMBER(24, 22),
-    /**
-     * <code>OBJECT = 23;</code>
-     */
-    OBJECT(25, 23),
-    /**
-     * <code>NULL = 24;</code>
-     */
-    NULL(26, 24),
-    /**
-     * <code>ARRAY = 27;</code>
-     */
-    ARRAY(27, 27),
-    /**
-     * <code>STRUCT = 28;</code>
-     */
-    STRUCT(28, 28),
-    /**
-     * <code>MULTISET = 29;</code>
-     */
-    MULTISET(29, 29),
-    UNRECOGNIZED(-1, -1),
-    ;
-
-    /**
-     * <code>PRIMITIVE_BOOLEAN = 0;</code>
-     */
-    public static final int PRIMITIVE_BOOLEAN_VALUE = 0;
-    /**
-     * <code>PRIMITIVE_BYTE = 1;</code>
-     */
-    public static final int PRIMITIVE_BYTE_VALUE = 1;
-    /**
-     * <code>PRIMITIVE_CHAR = 2;</code>
-     */
-    public static final int PRIMITIVE_CHAR_VALUE = 2;
-    /**
-     * <code>PRIMITIVE_SHORT = 3;</code>
-     */
-    public static final int PRIMITIVE_SHORT_VALUE = 3;
-    /**
-     * <code>PRIMITIVE_INT = 4;</code>
-     */
-    public static final int PRIMITIVE_INT_VALUE = 4;
-    /**
-     * <code>PRIMITIVE_LONG = 5;</code>
-     */
-    public static final int PRIMITIVE_LONG_VALUE = 5;
-    /**
-     * <code>PRIMITIVE_FLOAT = 6;</code>
-     */
-    public static final int PRIMITIVE_FLOAT_VALUE = 6;
-    /**
-     * <code>PRIMITIVE_DOUBLE = 7;</code>
-     */
-    public static final int PRIMITIVE_DOUBLE_VALUE = 7;
-    /**
-     * <code>BOOLEAN = 8;</code>
-     */
-    public static final int BOOLEAN_VALUE = 8;
-    /**
-     * <code>BYTE = 9;</code>
-     */
-    public static final int BYTE_VALUE = 9;
-    /**
-     * <code>CHARACTER = 10;</code>
-     */
-    public static final int CHARACTER_VALUE = 10;
-    /**
-     * <code>SHORT = 11;</code>
-     */
-    public static final int SHORT_VALUE = 11;
-    /**
-     * <code>INTEGER = 12;</code>
-     */
-    public static final int INTEGER_VALUE = 12;
-    /**
-     * <code>LONG = 13;</code>
-     */
-    public static final int LONG_VALUE = 13;
-    /**
-     * <code>FLOAT = 14;</code>
-     */
-    public static final int FLOAT_VALUE = 14;
-    /**
-     * <code>DOUBLE = 15;</code>
-     */
-    public static final int DOUBLE_VALUE = 15;
-    /**
-     * <code>BIG_INTEGER = 25;</code>
-     */
-    public static final int BIG_INTEGER_VALUE = 25;
-    /**
-     * <code>BIG_DECIMAL = 26;</code>
-     */
-    public static final int BIG_DECIMAL_VALUE = 26;
-    /**
-     * <code>JAVA_SQL_TIME = 16;</code>
-     */
-    public static final int JAVA_SQL_TIME_VALUE = 16;
-    /**
-     * <code>JAVA_SQL_TIMESTAMP = 17;</code>
-     */
-    public static final int JAVA_SQL_TIMESTAMP_VALUE = 17;
-    /**
-     * <code>JAVA_SQL_DATE = 18;</code>
-     */
-    public static final int JAVA_SQL_DATE_VALUE = 18;
-    /**
-     * <code>JAVA_UTIL_DATE = 19;</code>
-     */
-    public static final int JAVA_UTIL_DATE_VALUE = 19;
-    /**
-     * <code>BYTE_STRING = 20;</code>
-     */
-    public static final int BYTE_STRING_VALUE = 20;
-    /**
-     * <code>STRING = 21;</code>
-     */
-    public static final int STRING_VALUE = 21;
-    /**
-     * <code>NUMBER = 22;</code>
-     */
-    public static final int NUMBER_VALUE = 22;
-    /**
-     * <code>OBJECT = 23;</code>
-     */
-    public static final int OBJECT_VALUE = 23;
-    /**
-     * <code>NULL = 24;</code>
-     */
-    public static final int NULL_VALUE = 24;
-    /**
-     * <code>ARRAY = 27;</code>
-     */
-    public static final int ARRAY_VALUE = 27;
-    /**
-     * <code>STRUCT = 28;</code>
-     */
-    public static final int STRUCT_VALUE = 28;
-    /**
-     * <code>MULTISET = 29;</code>
-     */
-    public static final int MULTISET_VALUE = 29;
-
-
-    public final int getNumber() {
-      if (index == -1) {
-        throw new java.lang.IllegalArgumentException(
-            "Can't get the number of an unknown enum value.");
-      }
-      return value;
-    }
-
-    public static Rep valueOf(int value) {
-      switch (value) {
-        case 0: return PRIMITIVE_BOOLEAN;
-        case 1: return PRIMITIVE_BYTE;
-        case 2: return PRIMITIVE_CHAR;
-        case 3: return PRIMITIVE_SHORT;
-        case 4: return PRIMITIVE_INT;
-        case 5: return PRIMITIVE_LONG;
-        case 6: return PRIMITIVE_FLOAT;
-        case 7: return PRIMITIVE_DOUBLE;
-        case 8: return BOOLEAN;
-        case 9: return BYTE;
-        case 10: return CHARACTER;
-        case 11: return SHORT;
-        case 12: return INTEGER;
-        case 13: return LONG;
-        case 14: return FLOAT;
-        case 15: return DOUBLE;
-        case 25: return BIG_INTEGER;
-        case 26: return BIG_DECIMAL;
-        case 16: return JAVA_SQL_TIME;
-        case 17: return JAVA_SQL_TIMESTAMP;
-        case 18: return JAVA_SQL_DATE;
-        case 19: return JAVA_UTIL_DATE;
-        case 20: return BYTE_STRING;
-        case 21: return STRING;
-        case 22: return NUMBER;
-        case 23: return OBJECT;
-        case 24: return NULL;
-        case 27: return ARRAY;
-        case 28: return STRUCT;
-        case 29: return MULTISET;
-        default: return null;
-      }
-    }
-
-    public static com.google.protobuf.Internal.EnumLiteMap<Rep>
-        internalGetValueMap() {
-      return internalValueMap;
-    }
-    private static final com.google.protobuf.Internal.EnumLiteMap<
-        Rep> internalValueMap =
-          new com.google.protobuf.Internal.EnumLiteMap<Rep>() {
-            public Rep findValueByNumber(int number) {
-              return Rep.valueOf(number);
-            }
-          };
-
-    public final com.google.protobuf.Descriptors.EnumValueDescriptor
-        getValueDescriptor() {
-      return getDescriptor().getValues().get(index);
-    }
-    public final com.google.protobuf.Descriptors.EnumDescriptor
-        getDescriptorForType() {
-      return getDescriptor();
-    }
-    public static final com.google.protobuf.Descriptors.EnumDescriptor
-        getDescriptor() {
-      return org.apache.calcite.avatica.proto.Common.getDescriptor().getEnumTypes().get(1);
-    }
-
-    private static final Rep[] VALUES = values();
-
-    public static Rep valueOf(
-        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
-      if (desc.getType() != getDescriptor()) {
-        throw new java.lang.IllegalArgumentException(
-          "EnumValueDescriptor is not for this type.");
-      }
-      if (desc.getIndex() == -1) {
-        return UNRECOGNIZED;
-      }
-      return VALUES[desc.getIndex()];
-    }
-
-    private final int index;
-    private final int value;
-
-    private Rep(int index, int value) {
-      this.index = index;
-      this.value = value;
-    }
-
-    // @@protoc_insertion_point(enum_scope:Rep)
-  }
-
-  /**
-   * Protobuf enum {@code Severity}
-   *
-   * <pre>
-   * The severity of some unexpected outcome to an operation.
-   * Protobuf enum values must be unique across all other enums
-   * </pre>
-   */
-  public enum Severity
-      implements com.google.protobuf.ProtocolMessageEnum {
-    /**
-     * <code>UNKNOWN_SEVERITY = 0;</code>
-     */
-    UNKNOWN_SEVERITY(0, 0),
-    /**
-     * <code>FATAL_SEVERITY = 1;</code>
-     */
-    FATAL_SEVERITY(1, 1),
-    /**
-     * <code>ERROR_SEVERITY = 2;</code>
-     */
-    ERROR_SEVERITY(2, 2),
-    /**
-     * <code>WARNING_SEVERITY = 3;</code>
-     */
-    WARNING_SEVERITY(3, 3),
-    UNRECOGNIZED(-1, -1),
-    ;
-
-    /**
-     * <code>UNKNOWN_SEVERITY = 0;</code>
-     */
-    public static final int UNKNOWN_SEVERITY_VALUE = 0;
-    /**
-     * <code>FATAL_SEVERITY = 1;</code>
-     */
-    public static final int FATAL_SEVERITY_VALUE = 1;
-    /**
-     * <code>ERROR_SEVERITY = 2;</code>
-     */
-    public static final int ERROR_SEVERITY_VALUE = 2;
-    /**
-     * <code>WARNING_SEVERITY = 3;</code>
-     */
-    public static final int WARNING_SEVERITY_VALUE = 3;
-
-
-    public final int getNumber() {
-      if (index == -1) {
-        throw new java.lang.IllegalArgumentException(
-            "Can't get the number of an unknown enum value.");
-      }
-      return value;
-    }
-
-    public static Severity valueOf(int value) {
-      switch (value) {
-        case 0: return UNKNOWN_SEVERITY;
-        case 1: return FATAL_SEVERITY;
-        case 2: return ERROR_SEVERITY;
-        case 3: return WARNING_SEVERITY;
-        default: return null;
-      }
-    }
-
-    public static com.google.protobuf.Internal.EnumLiteMap<Severity>
-        internalGetValueMap() {
-      return internalValueMap;
-    }
-    private static final com.google.protobuf.Internal.EnumLiteMap<
-        Severity> internalValueMap =
-          new com.google.protobuf.Internal.EnumLiteMap<Severity>() {
-            public Severity findValueByNumber(int number) {
-              return Severity.valueOf(number);
-            }
-          };
-
-    public final com.google.protobuf.Descriptors.EnumValueDescriptor
-        getValueDescriptor() {
-      return getDescriptor().getValues().get(index);
-    }
-    public final com.google.protobuf.Descriptors.EnumDescriptor
-        getDescriptorForType() {
-      return getDescriptor();
-    }
-    public static final com.google.protobuf.Descriptors.EnumDescriptor
-        getDescriptor() {
-      return org.apache.calcite.avatica.proto.Common.getDescriptor().getEnumTypes().get(2);
-    }
-
-    private static final Severity[] VALUES = values();
-
-    public static Severity valueOf(
-        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
-      if (desc.getType() != getDescriptor()) {
-        throw new java.lang.IllegalArgumentException(
-          "EnumValueDescriptor is not for this type.");
-      }
-      if (desc.getIndex() == -1) {
-        return UNRECOGNIZED;
-      }
-      return VALUES[desc.getIndex()];
-    }
-
-    private final int index;
-    private final int value;
-
-    private Severity(int index, int value) {
-      this.index = index;
-      this.value = value;
-    }
-
-    // @@protoc_insertion_point(enum_scope:Severity)
-  }
-
-  /**
-   * Protobuf enum {@code MetaDataOperation}
-   *
-   * <pre>
-   * Enumeration corresponding to DatabaseMetaData operations
-   * </pre>
-   */
-  public enum MetaDataOperation
-      implements com.google.protobuf.ProtocolMessageEnum {
-    /**
-     * <code>GET_ATTRIBUTES = 0;</code>
-     */
-    GET_ATTRIBUTES(0, 0),
-    /**
-     * <code>GET_BEST_ROW_IDENTIFIER = 1;</code>
-     */
-    GET_BEST_ROW_IDENTIFIER(1, 1),
-    /**
-     * <code>GET_CATALOGS = 2;</code>
-     */
-    GET_CATALOGS(2, 2),
-    /**
-     * <code>GET_CLIENT_INFO_PROPERTIES = 3;</code>
-     */
-    GET_CLIENT_INFO_PROPERTIES(3, 3),
-    /**
-     * <code>GET_COLUMN_PRIVILEGES = 4;</code>
-     */
-    GET_COLUMN_PRIVILEGES(4, 4),
-    /**
-     * <code>GET_COLUMNS = 5;</code>
-     */
-    GET_COLUMNS(5, 5),
-    /**
-     * <code>GET_CROSS_REFERENCE = 6;</code>
-     */
-    GET_CROSS_REFERENCE(6, 6),
-    /**
-     * <code>GET_EXPORTED_KEYS = 7;</code>
-     */
-    GET_EXPORTED_KEYS(7, 7),
-    /**
-     * <code>GET_FUNCTION_COLUMNS = 8;</code>
-     */
-    GET_FUNCTION_COLUMNS(8, 8),
-    /**
-     * <code>GET_FUNCTIONS = 9;</code>
-     */
-    GET_FUNCTIONS(9, 9),
-    /**
-     * <code>GET_IMPORTED_KEYS = 10;</code>
-     */
-    GET_IMPORTED_KEYS(10, 10),
-    /**
-     * <code>GET_INDEX_INFO = 11;</code>
-     */
-    GET_INDEX_INFO(11, 11),
-    /**
-     * <code>GET_PRIMARY_KEYS = 12;</code>
-     */
-    GET_PRIMARY_KEYS(12, 12),
-    /**
-     * <code>GET_PROCEDURE_COLUMNS = 13;</code>
-     */
-    GET_PROCEDURE_COLUMNS(13, 13),
-    /**
-     * <code>GET_PROCEDURES = 14;</code>
-     */
-    GET_PROCEDURES(14, 14),
-    /**
-     * <code>GET_PSEUDO_COLUMNS = 15;</code>
-     */
-    GET_PSEUDO_COLUMNS(15, 15),
-    /**
-     * <code>GET_SCHEMAS = 16;</code>
-     */
-    GET_SCHEMAS(16, 16),
-    /**
-     * <code>GET_SCHEMAS_WITH_ARGS = 17;</code>
-     */
-    GET_SCHEMAS_WITH_ARGS(17, 17),
-    /**
-     * <code>GET_SUPER_TABLES = 18;</code>
-     */
-    GET_SUPER_TABLES(18, 18),
-    /**
-     * <code>GET_SUPER_TYPES = 19;</code>
-     */
-    GET_SUPER_TYPES(19, 19),
-    /**
-     * <code>GET_TABLE_PRIVILEGES = 20;</code>
-     */
-    GET_TABLE_PRIVILEGES(20, 20),
-    /**
-     * <code>GET_TABLES = 21;</code>
-     */
-    GET_TABLES(21, 21),
-    /**
-     * <code>GET_TABLE_TYPES = 22;</code>
-     */
-    GET_TABLE_TYPES(22, 22),
-    /**
-     * <code>GET_TYPE_INFO = 23;</code>
-     */
-    GET_TYPE_INFO(23, 23),
-    /**
-     * <code>GET_UDTS = 24;</code>
-     */
-    GET_UDTS(24, 24),
-    /**
-     * <code>GET_VERSION_COLUMNS = 25;</code>
-     */
-    GET_VERSION_COLUMNS(25, 25),
-    UNRECOGNIZED(-1, -1),
-    ;
-
-    /**
-     * <code>GET_ATTRIBUTES = 0;</code>
-     */
-    public static final int GET_ATTRIBUTES_VALUE = 0;
-    /**
-     * <code>GET_BEST_ROW_IDENTIFIER = 1;</code>
-     */
-    public static final int GET_BEST_ROW_IDENTIFIER_VALUE = 1;
-    /**
-     * <code>GET_CATALOGS = 2;</code>
-     */
-    public static final int GET_CATALOGS_VALUE = 2;
-    /**
-     * <code>GET_CLIENT_INFO_PROPERTIES = 3;</code>
-     */
-    public static final int GET_CLIENT_INFO_PROPERTIES_VALUE = 3;
-    /**
-     * <code>GET_COLUMN_PRIVILEGES = 4;</code>
-     */
-    public static final int GET_COLUMN_PRIVILEGES_VALUE = 4;
-    /**
-     * <code>GET_COLUMNS = 5;</code>
-     */
-    public static final int GET_COLUMNS_VALUE = 5;
-    /**
-     * <code>GET_CROSS_REFERENCE = 6;</code>
-     */
-    public static final int GET_CROSS_REFERENCE_VALUE = 6;
-    /**
-     * <code>GET_EXPORTED_KEYS = 7;</code>
-     */
-    public static final int GET_EXPORTED_KEYS_VALUE = 7;
-    /**
-     * <code>GET_FUNCTION_COLUMNS = 8;</code>
-     */
-    public static final int GET_FUNCTION_COLUMNS_VALUE = 8;
-    /**
-     * <code>GET_FUNCTIONS = 9;</code>
-     */
-    public static final int GET_FUNCTIONS_VALUE = 9;
-    /**
-     * <code>GET_IMPORTED_KEYS = 10;</code>
-     */
-    public static final int GET_IMPORTED_KEYS_VALUE = 10;
-    /**
-     * <code>GET_INDEX_INFO = 11;</code>
-     */
-    public static final int GET_INDEX_INFO_VALUE = 11;
-    /**
-     * <code>GET_PRIMARY_KEYS = 12;</code>
-     */
-    public static final int GET_PRIMARY_KEYS_VALUE = 12;
-    /**
-     * <code>GET_PROCEDURE_COLUMNS = 13;</code>
-     */
-    public static final int GET_PROCEDURE_COLUMNS_VALUE = 13;
-    /**
-     * <code>GET_PROCEDURES = 14;</code>
-     */
-    public static final int GET_PROCEDURES_VALUE = 14;
-    /**
-     * <code>GET_PSEUDO_COLUMNS = 15;</code>
-     */
-    public static final int GET_PSEUDO_COLUMNS_VALUE = 15;
-    /**
-     * <code>GET_SCHEMAS = 16;</code>
-     */
-    public static final int GET_SCHEMAS_VALUE = 16;
-    /**
-     * <code>GET_SCHEMAS_WITH_ARGS = 17;</code>
-     */
-    public static final int GET_SCHEMAS_WITH_ARGS_VALUE = 17;
-    /**
-     * <code>GET_SUPER_TABLES = 18;</code>
-     */
-    public static final int GET_SUPER_TABLES_VALUE = 18;
-    /**
-     * <code>GET_SUPER_TYPES = 19;</code>
-     */
-    public static final int GET_SUPER_TYPES_VALUE = 19;
-    /**
-     * <code>GET_TABLE_PRIVILEGES = 20;</code>
-     */
-    public static final int GET_TABLE_PRIVILEGES_VALUE = 20;
-    /**
-     * <code>GET_TABLES = 21;</code>
-     */
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-    /**
-     * <code>GET_TABLE_TYPES = 22;</code>
-     */
-    public static final int GET_TABLE_TYPES_VALUE = 22;
-    /**
-     * <code>GET_TYPE_INFO = 23;</code>
-     */
-    public static final int GET_TYPE_INFO_VALUE = 23;
-    /**
-     * <code>GET_UDTS = 24;</code>
-     */
-    public static final int GET_UDTS_VALUE = 24;
-    /**
-     * <code>GET_VERSION_COLUMNS = 25;</code>
-     */
-    public static final int GET_VERSION_COLUMNS_VALUE = 25;
-
-
-    public final int getNumber() {
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-        case 15: return GET_PSEUDO_COLUMNS;
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-        case 18: return GET_SUPER_TABLES;
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-        case 20: return GET_TABLE_PRIVILEGES;
-        case 21: return GET_TABLES;
-        case 22: return GET_TABLE_TYPES;
-        case 23: return GET_TYPE_INFO;
-        case 24: return GET_UDTS;
-        case 25: return GET_VERSION_COLUMNS;
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-      }
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-      return internalValueMap;
-    }
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-        getValueDescriptor() {
-      return getDescriptor().getValues().get(index);
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-        getDescriptorForType() {
-      return getDescriptor();
-    }
-    public static final com.google.protobuf.Descriptors.EnumDescriptor
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-      return org.apache.calcite.avatica.proto.Common.getDescriptor().getEnumTypes().get(3);
-    }
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-    private static final MetaDataOperation[] VALUES = values();
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-
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-    private static final StateType[] VALUES = values();
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-    public static StateType valueOf(
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-
-    private final int index;
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-    private StateType(int index, int value) {
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-
-    // @@protoc_insertion_point(enum_scope:StateType)
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-
-  public interface ConnectionPropertiesOrBuilder extends
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-    /**
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-    boolean getAutoCommit();
-
-    /**
-     * <code>optional bool has_auto_commit = 7;</code>
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-     * <pre>
-     * field is a Boolean, need to discern null and default value
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-    boolean getHasAutoCommit();
-
-    /**
-     * <code>optional bool read_only = 3;</code>
-     */
-    boolean getReadOnly();
-
-    /**
-     * <code>optional bool has_read_only = 8;</code>
-     *
-     * <pre>
-     * field is a Boolean, need to discern null and default value
-     * </pre>
-     */
-    boolean getHasReadOnly();
-
-    /**
-     * <code>optional uint32 transaction_isolation = 4;</code>
-     */
-    int getTransactionIsolation();
-
-    /**
-     * <code>optional string catalog = 5;</code>
-     */
-    java.lang.String getCatalog();
-    /**
-     * <code>optional string catalog = 5;</code>
-     */
-    com.google.protobuf.ByteString
-        getCatalogBytes();
-
-    /**
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-    java.lang.String getSchema();
-    /**
-     * <code>optional string schema = 6;</code>
-     */
-    com.google.protobuf.ByteString
-        getSchemaBytes();
-  }
-  /**
-   * Protobuf type {@code ConnectionProperties}
-   *
-   * <pre>
-   * Details about a connection
-   * </pre>
-   */
-  public  static final class ConnectionProperties extends
-      com.google.protobuf.GeneratedMessage implements
-      // @@protoc_insertion_point(message_implements:ConnectionProperties)
-      ConnectionPropertiesOrBuilder {
-    // Use ConnectionProperties.newBuilder() to construct.
-    private ConnectionProperties(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
-      super(builder);
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-    private ConnectionProperties() {
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-      readOnly_ = false;
-      hasReadOnly_ = false;
-      transactionIsolation_ = 0;
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-      schema_ = "";
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-    @java.lang.Override
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-              transactionIsolation_ = input.readUInt32();
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-
-              catalog_ = s;
-              break;
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-              String s = input.readStringRequireUtf8();
-
-              schema_ = s;
-              break;
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-        makeExtensionsImmutable();
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-    public static final com.google.protobuf.Descriptors.Descriptor
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-    public static final int AUTO_COMMIT_FIELD_NUMBER = 2;
-    private boolean autoCommit_;
-    /**
-     * <code>optional bool auto_commit = 2;</code>
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-      return autoCommit_;
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-    public static final int HAS_AUTO_COMMIT_FIELD_NUMBER = 7;
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-     * <code>optional bool has_auto_commit = 7;</code>
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-     * <pre>
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-      return hasAutoCommit_;
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-    public static final int READ_ONLY_FIELD_NUMBER = 3;
-    private boolean readOnly_;
-    /**
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-    public boolean getReadOnly() {
-      return readOnly_;
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-
-    public static final int HAS_READ_ONLY_FIELD_NUMBER = 8;
-    private boolean hasReadOnly_;
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-     * <code>optional bool has_read_only = 8;</code>
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-     * <pre>
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-    public boolean getHasReadOnly() {
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-    public static final int TRANSACTION_ISOLATION_FIELD_NUMBER = 4;
-    private int transactionIsolation_;
-    /**
-     * <code>optional uint32 transaction_isolation = 4;</code>
-     */
-    public int getTransactionIsolation() {
-      return transactionIsolation_;
-    }
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-    public static final int CATALOG_FIELD_NUMBER = 5;
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-    /**
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-    public java.lang.String getCatalog() {
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-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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-      return PARSER.parseFrom(input, extensionRegistry);
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-        
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-        onChanged();
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-        catalog_ = value;
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-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle parseFrom(
-        com.google.protobuf.ByteString data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle parseFrom(byte[] data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle parseFrom(
-        byte[] data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle parseFrom(java.io.InputStream input)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input);
-    }
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle parseFrom(
-        java.io.InputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input, extensionRegistry);
-    }
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle parseDelimitedFrom(java.io.InputStream input)
-        throws java.io.IOException {
-      return PARSER.parseDelimitedFrom(input);
-    }
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle parseDelimitedFrom(
-        java.io.InputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseDelimitedFrom(input, extensionRegistry);
-    }
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle parseFrom(
-        com.google.protobuf.CodedInputStream input)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input);
-    }
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle parseFrom(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input, extensionRegistry);
-    }
-
-    public Builder newBuilderForType() { return newBuilder(); }
-    public static Builder newBuilder() {
-      return DEFAULT_INSTANCE.toBuilder();
-    }
-    public static Builder newBuilder(org.apache.calcite.avatica.proto.Common.StatementHandle prototype) {
-      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
-    }
-    public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE
-          ? new Builder() : new Builder().mergeFrom(this);
-    }
-
-    @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
-      Builder builder = new Builder(parent);
-      return builder;
-    }
-    /**
-     * Protobuf type {@code StatementHandle}
-     *
-     * <pre>
-     * Statement handle
-     * </pre>
-     */
-    public static final class Builder extends
-        com.google.protobuf.GeneratedMessage.Builder<Builder> implements
-        // @@protoc_insertion_point(builder_implements:StatementHandle)
-        org.apache.calcite.avatica.proto.Common.StatementHandleOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor
-          getDescriptor() {
-        return org.apache.calcite.avatica.proto.Common.internal_static_StatementHandle_descriptor;
-      }
-
-      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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-      }
-
-      // Construct using org.apache.calcite.avatica.proto.Common.StatementHandle.newBuilder()
-      private Builder() {
-        maybeForceBuilderInitialization();
-      }
-
-      private Builder(
-          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
-        super(parent);
-        maybeForceBuilderInitialization();
-      }
-      private void maybeForceBuilderInitialization() {
-        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
-        }
-      }
-      public Builder clear() {
-        super.clear();
-        connectionId_ = "";
-
-        id_ = 0;
-
-        if (signatureBuilder_ == null) {
-          signature_ = null;
-        } else {
-          signature_ = null;
-          signatureBuilder_ = null;
-        }
-        return this;
-      }
-
-      public com.google.protobuf.Descriptors.Descriptor
-          getDescriptorForType() {
-        return org.apache.calcite.avatica.proto.Common.internal_static_StatementHandle_descriptor;
-      }
-
-      public org.apache.calcite.avatica.proto.Common.StatementHandle getDefaultInstanceForType() {
-        return org.apache.calcite.avatica.proto.Common.StatementHandle.getDefaultInstance();
-      }
-
-      public org.apache.calcite.avatica.proto.Common.StatementHandle build() {
-        org.apache.calcite.avatica.proto.Common.StatementHandle result = buildPartial();
-        if (!result.isInitialized()) {
-          throw newUninitializedMessageException(result);
-        }
-        return result;
-      }
-
-      public org.apache.calcite.avatica.proto.Common.StatementHandle buildPartial() {
-        org.apache.calcite.avatica.proto.Common.StatementHandle result = new org.apache.calcite.avatica.proto.Common.StatementHandle(this);
-        result.connectionId_ = connectionId_;
-        result.id_ = id_;
-        if (signatureBuilder_ == null) {
-          result.signature_ = signature_;
-        } else {
-          result.signature_ = signatureBuilder_.build();
-        }
-        onBuilt();
-        return result;
-      }
-
-      public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof org.apache.calcite.avatica.proto.Common.StatementHandle) {
-          return mergeFrom((org.apache.calcite.avatica.proto.Common.StatementHandle)other);
-        } else {
-          super.mergeFrom(other);
-          return this;
-        }
-      }
-
-      public Builder mergeFrom(org.apache.calcite.avatica.proto.Common.StatementHandle other) {
-        if (other == org.apache.calcite.avatica.proto.Common.StatementHandle.getDefaultInstance()) return this;
-        if (!other.getConnectionId().isEmpty()) {
-          connectionId_ = other.connectionId_;
-          onChanged();
-        }
-        if (other.getId() != 0) {
-          setId(other.getId());
-        }
-        if (other.hasSignature()) {
-          mergeSignature(other.getSignature());
-        }
-        onChanged();
-        return this;
-      }
-
-      public final boolean isInitialized() {
-        return true;
-      }
-
-      public Builder mergeFrom(
-          com.google.protobuf.CodedInputStream input,
-          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws java.io.IOException {
-        org.apache.calcite.avatica.proto.Common.StatementHandle parsedMessage = null;
-        try {
-          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
-        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = (org.apache.calcite.avatica.proto.Common.StatementHandle) e.getUnfinishedMessage();
-          throw e;
-        } finally {
-          if (parsedMessage != null) {
-            mergeFrom(parsedMessage);
-          }
-        }
-        return this;
-      }
-
-      private java.lang.Object connectionId_ = "";
-      /**
-       * <code>optional string connection_id = 1;</code>
-       */
-      public java.lang.String getConnectionId() {
-        java.lang.Object ref = connectionId_;
-        if (!(ref instanceof java.lang.String)) {
-          com.google.protobuf.ByteString bs =
-              (com.google.protobuf.ByteString) ref;
-          java.lang.String s = bs.toStringUtf8();
-          connectionId_ = s;
-          return s;
-        } else {
-          return (java.lang.String) ref;
-        }
-      }
-      /**
-       * <code>optional string connection_id = 1;</code>
-       */
-      public com.google.protobuf.ByteString
-          getConnectionIdBytes() {
-        java.lang.Object ref = connectionId_;
-        if (ref instanceof String) {
-          com.google.protobuf.ByteString b = 
-              com.google.protobuf.ByteString.copyFromUtf8(
-                  (java.lang.String) ref);
-          connectionId_ = b;
-          return b;
-        } else {
-          return (com.google.protobuf.ByteString) ref;
-        }
-      }
-      /**
-       * <code>optional string connection_id = 1;</code>
-       */
-      public Builder setConnectionId(
-          java.lang.String value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  
-        connectionId_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>optional string connection_id = 1;</code>
-       */
-      public Builder clearConnectionId() {
-        
-        connectionId_ = getDefaultInstance().getConnectionId();
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>optional string connection_id = 1;</code>
-       */
-      public Builder setConnectionIdBytes(
-          com.google.protobuf.ByteString value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  checkByteStringIsUtf8(value);
-        
-        connectionId_ = value;
-        onChanged();
-        return this;
-      }
-
-      private int id_ ;
-      /**
-       * <code>optional uint32 id = 2;</code>
-       */
-      public int getId() {
-        return id_;
-      }
-      /**
-       * <code>optional uint32 id = 2;</code>
-       */
-      public Builder setId(int value) {
-        
-        id_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>optional uint32 id = 2;</code>
-       */
-      public Builder clearId() {
-        
-        id_ = 0;
-        onChanged();
-        return this;
-      }
-
-      private org.apache.calcite.avatica.proto.Common.Signature signature_ = null;
-      private com.google.protobuf.SingleFieldBuilder<
-          org.apache.calcite.avatica.proto.Common.Signature, org.apache.calcite.avatica.proto.Common.Signature.Builder, org.apache.calcite.avatica.proto.Common.SignatureOrBuilder> signatureBuilder_;
-      /**
-       * <code>optional .Signature signature = 3;</code>
-       */
-      public boolean hasSignature() {
-        return signatureBuilder_ != null || signature_ != null;
-      }
-      /**
-       * <code>optional .Signature signature = 3;</code>
-       */
-      public org.apache.calcite.avatica.proto.Common.Signature getSignature() {
-        if (signatureBuilder_ == null) {
-          return signature_ == null ? org.apache.calcite.avatica.proto.Common.Signature.getDefaultInstance() : signature_;
-        } else {
-          return signatureBuilder_.getMessage();
-        }
-      }
-      /**
-       * <code>optional .Signature signature = 3;</code>
-       */
-      public Builder setSignature(org.apache.calcite.avatica.proto.Common.Signature value) {
-        if (signatureBuilder_ == null) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          signature_ = value;
-          onChanged();
-        } else {
-          signatureBuilder_.setMessage(value);
-        }
-
-        return this;
-      }
-      /**
-       * <code>optional .Signature signature = 3;</code>
-       */
-      public Builder setSignature(
-          org.apache.calcite.avatica.proto.Common.Signature.Builder builderForValue) {
-        if (signatureBuilder_ == null) {
-          signature_ = builderForValue.build();
-          onChanged();
-        } else {
-          signatureBuilder_.setMessage(builderForValue.build());
-        }
-
-        return this;
-      }
-      /**
-       * <code>optional .Signature signature = 3;</code>
-       */
-      public Builder mergeSignature(org.apache.calcite.avatica.proto.Common.Signature value) {
-        if (signatureBuilder_ == null) {
-          if (signature_ != null) {
-            signature_ =
-              org.apache.calcite.avatica.proto.Common.Signature.newBuilder(signature_).mergeFrom(value).buildPartial();
-          } else {
-            signature_ = value;
-          }
-          onChanged();
-        } else {
-          signatureBuilder_.mergeFrom(value);
-        }
-
-        return this;
-      }
-      /**
-       * <code>optional .Signature signature = 3;</code>
-       */
-      public Builder clearSignature() {
-        if (signatureBuilder_ == null) {
-          signature_ = null;
-          onChanged();
-        } else {
-          signature_ = null;
-          signatureBuilder_ = null;
-        }
-
-        return this;
-      }
-      /**
-       * <code>optional .Signature signature = 3;</code>
-       */
-      public org.apache.calcite.avatica.proto.Common.Signature.Builder getSignatureBuilder() {
-        
-        onChanged();
-        return getSignatureFieldBuilder().getBuilder();
-      }
-      /**
-       * <code>optional .Signature signature = 3;</code>
-       */
-      public org.apache.calcite.avatica.proto.Common.SignatureOrBuilder getSignatureOrBuilder() {
-        if (signatureBuilder_ != null) {
-          return signatureBuilder_.getMessageOrBuilder();
-        } else {
-          return signature_ == null ?
-              org.apache.calcite.avatica.proto.Common.Signature.getDefaultInstance() : signature_;
-        }
-      }
-      /**
-       * <code>optional .Signature signature = 3;</code>
-       */
-      private com.google.protobuf.SingleFieldBuilder<
-          org.apache.calcite.avatica.proto.Common.Signature, org.apache.calcite.avatica.proto.Common.Signature.Builder, org.apache.calcite.avatica.proto.Common.SignatureOrBuilder> 
-          getSignatureFieldBuilder() {
-        if (signatureBuilder_ == null) {
-          signatureBuilder_ = new com.google.protobuf.SingleFieldBuilder<
-              org.apache.calcite.avatica.proto.Common.Signature, org.apache.calcite.avatica.proto.Common.Signature.Builder, org.apache.calcite.avatica.proto.Common.SignatureOrBuilder>(
-                  getSignature(),
-                  getParentForChildren(),
-                  isClean());
-          signature_ = null;
-        }
-        return signatureBuilder_;
-      }
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return this;
-      }
-
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return this;
-      }
-
-
-      // @@protoc_insertion_point(builder_scope:StatementHandle)
-    }
-
-    // @@protoc_insertion_point(class_scope:StatementHandle)
-    private static final org.apache.calcite.avatica.proto.Common.StatementHandle DEFAULT_INSTANCE;
-    static {
-      DEFAULT_INSTANCE = new org.apache.calcite.avatica.proto.Common.StatementHandle();
-    }
-
-    public static org.apache.calcite.avatica.proto.Common.StatementHandle getDefaultInstance() {
-      return DEFAULT_INSTANCE;
-    }
-
-    private static final com.google.protobuf.Parser<StatementHandle>
-        PARSER = new com.google.protobuf.AbstractParser<StatementHandle>() {
-      public StatementHandle parsePartialFrom(
-          com.google.protobuf.CodedInputStream input,
-          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws com.google.protobuf.InvalidProtocolBufferException {
-        try {
-          return new StatementHandle(input, extensionRegistry);
-        } catch (RuntimeException e) {
-          if (e.getCause() instanceof
-              com.google.protobuf.InvalidProtocolBufferException) {
-            throw (com.google.protobuf.InvalidProtocolBufferException)
-                e.getCause();
-          }
-          throw e;
-        }
-      }
-    };
-
-    public static com.google.protobuf.Parser<StatementHandle> parser() {
-      return PARSER;
-    }
-
-    @java.lang.Override
-    public com.google.protobuf.Parser<StatementHandle> getParserForType() {
-      return PARSER;
-    }
-
-    public org.apache.calcite.avatica.proto.Common.StatementHandle getDefaultInstanceForType() {
-      return DEFAULT_INSTANCE;
-    }
-
-  }
-
-  public interface SignatureOrBuilder extends
-      // @@protoc_insertion_point(interface_extends:Signature)
-      com.google.protobuf.MessageOrBuilder {
-
-    /**
-     * <code>repeated .ColumnMetaData columns = 1;</code>
-     */
-    java.util.List<org.apache.calcite.avatica.proto.Common.ColumnMetaData> 
-        getColumnsList();
-    /**
-     * <code>repeated .ColumnMetaData columns = 1;</code>
-     */
-    org.apache.calcite.avatica.proto.Common.ColumnMetaData getColumns(int index);
-    /**
-     * <code>repeated .ColumnMetaData columns = 1;</code>
-     */
-    int getColumnsCount();
-    /**
-     * <code>repeated .ColumnMetaData columns = 1;</code>
-     */
-    java.util.List<? extends org.apache.calcite.avatica.proto.Common.ColumnMetaDataOrBuilder> 
-        getColumnsOrBuilderList();
-    /**
-     * <code>repeated .ColumnMetaData columns = 1;</code>
-     */
-    org.apache.calcite.avatica.proto.Common.ColumnMetaDataOrBuilder getColumnsOrBuilder(
-        int index);
-
-    /**
-     * <code>optional string sql = 2;</code>
-     */
-    java.lang.String getSql();
-    /**
-     * <code>optional string sql = 2;</code>
-     */
-    com.google.protobuf.ByteString
-        getSqlBytes();
-
-    /**
-     * <code>repeated .AvaticaParameter parameters = 3;</code>
-     */
-    java.util.List<org.apache.calcite.avatica.proto.Common.AvaticaParameter> 
-        getParametersList();
-    /**
-     * <code>repeated .AvaticaParameter parameters = 3;</code>
-     */
-    org.apache.calcite.avatica.proto.Common.AvaticaParameter getParameters(int index);
-    /**
-     * <code>repeated .AvaticaParameter parameters = 3;</code>
-     */
-    int getParametersCount();
-    /**
-     * <code>repeated .AvaticaParameter parameters = 3;</code>
-     */
-    java.util.List<? extends org.apache.calcite.avatica.proto.Common.AvaticaParameterOrBuilder> 
-        getParametersOrBuilderList();
-    /**
-     * <code>repeated .AvaticaParameter parameters = 3;</code>
-     */
-    org.apache.calcite.avatica.proto.Common.AvaticaParameterOrBuilder getParametersOrBuilder(
-        int index);
-
-    /**
-     * <code>optional .CursorFactory cursor_factory = 4;</code>
-     */
-    boolean hasCursorFactory();
-    /**
-     * <code>optional .CursorFactory cursor_factory = 4;</code>
-     */
-    org.apache.calcite.avatica.proto.Common.CursorFactory getCursorFactory();
-    /**
-     * <code>optional .CursorFactory cursor_factory = 4;</code>
-     */
-    org.apache.calcite.avatica.proto.Common.CursorFactoryOrBuilder getCursorFactoryOrBuilder();
-
-    /**
-     * <code>optional .StatementType statementType = 5;</code>
-     */
-    int getStatementTypeValue();
-    /**
-     * <code>optional .StatementType statementType = 5;</code>
-     */
-    org.apache.calcite.avatica.proto.Common.StatementType getStatementType();
-  }
-  /**
-   * Protobuf type {@code Signature}
-   *
-   * <pre>
-   * Results of preparing a statement
-   * </pre>
-   */
-  public  static final class Signature extends
-      com.google.protobuf.GeneratedMessage implements
-      // @@protoc_insertion_point(message_implements:Signature)
-      SignatureOrBuilder {
-    // Use Signature.newBuilder() to construct.
-    private Signature(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
-      super(builder);
-    }
-    private Signature() {
-      columns_ = java.util.Collections.emptyList();
-      sql_ = "";
-      parameters_ = java.util.Collections.emptyList();
-      statementType_ = 0;
-    }
-
-    @java.lang.Override
-    public final com.google.protobuf.UnknownFieldSet
-    getUnknownFields() {
-     

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