Class Db2Dialect


  • public class Db2Dialect
    extends org.apache.calcite.sql.dialect.Db2SqlDialect
    IBM DB2 SQL dialect used to render Substrait-derived query plans. DB2 quotes identifiers with double quotes. When the catalog casing filter is enabled, identifiers are upper-cased before quoting.
    • Nested Class Summary

      • Nested classes/interfaces inherited from class org.apache.calcite.sql.SqlDialect

        org.apache.calcite.sql.SqlDialect.CalendarPolicy, org.apache.calcite.sql.SqlDialect.Context, org.apache.calcite.sql.SqlDialect.DatabaseProduct, org.apache.calcite.sql.SqlDialect.FakeUtil
    • Field Summary

      Fields 
      Modifier and Type Field Description
      static org.apache.calcite.sql.SqlDialect DEFAULT  
      • Fields inherited from class org.apache.calcite.sql.dialect.Db2SqlDialect

        DEFAULT_CONTEXT
      • Fields inherited from class org.apache.calcite.sql.SqlDialect

        BUILT_IN_OPERATORS_LIST, EMPTY_CONTEXT, identifierEndQuoteString, identifierEscapedQuote, identifierQuoteString, literalEndQuoteString, literalEscapedQuote, literalQuoteString, LOGGER, nullCollation
    • Constructor Summary

      Constructors 
      Constructor Description
      Db2Dialect​(boolean catalogCasingFilter)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      StringBuilder quoteIdentifier​(StringBuilder buf, String identifier)  
      • Methods inherited from class org.apache.calcite.sql.dialect.Db2SqlDialect

        hasImplicitTableAlias, supportsCharSet, unparseSqlIntervalLiteral, unparseSqlIntervalQualifier
      • Methods inherited from class org.apache.calcite.sql.SqlDialect

        allowsAs, configureParser, configureParser, containsNonAscii, create, defaultNullDirection, emulateJoinTypeForCrossJoin, emulateNullDirection, emulateNullDirectionWithIsNull, getCalendarPolicy, getCastSpec, getConformance, getDatabaseProduct, getFormatModel, getNullCollation, getProduct, getQuotedCasing, getQuoting, getSingleRowTableName, getTypeSystem, getUnquotedCasing, identifierNeedsQuote, isCaseSensitive, prepareUnparse, quoteIdentifier, quoteIdentifier, quoteStringLiteral, quoteStringLiteral, quoteStringLiteralUnicode, quoteTimestampLiteral, requiresAliasForFromItems, rewriteMaxMin, rewriteMaxMinExpr, rewriteSingleValueExpr, supportBooleanCaseWhen, supportsAggregateFunction, supportsAggregateFunctionFilter, supportsAliasedValues, supportsApproxCountDistinct, supportsDataType, supportsFunction, supportsGroupByLiteral, supportsGroupByWithCube, supportsGroupByWithRollup, supportsImplicitTypeCoercion, supportsJoinType, supportsNestedAggregations, supportsOffsetFetch, supportsTimestampPrecision, supportsWindowFunctions, unparseBoolLiteral, unparseCall, unparseDateTimeLiteral, unparseFetchUsingAnsi, unparseFetchUsingLimit, unparseLimit, unparseNumericLiteral, unparseOffset, unparseOffsetFetch, unparseSqlDatetimeArithmetic, unparseSqlSetOption, unparseTableScanHints, unparseTopN, unquoteStringLiteral
    • Field Detail

      • DEFAULT

        public static final org.apache.calcite.sql.SqlDialect DEFAULT
    • Constructor Detail

      • Db2Dialect

        public Db2Dialect​(boolean catalogCasingFilter)
    • Method Detail

      • quoteIdentifier

        public StringBuilder quoteIdentifier​(StringBuilder buf,
                                             String identifier)
        Overrides:
        quoteIdentifier in class org.apache.calcite.sql.SqlDialect