Java Code Examples for org.apache.calcite.sql.fun.SqlStdOperatorTable#SUBSTRING
The following examples show how to use
org.apache.calcite.sql.fun.SqlStdOperatorTable#SUBSTRING .
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Example 1
Source File: OracleSqlDialect.java From Bats with Apache License 2.0 | 6 votes |
@Override public void unparseCall(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { if (call.getOperator() == SqlStdOperatorTable.SUBSTRING) { SqlUtil.unparseFunctionSyntax(OracleSqlOperatorTable.SUBSTR, writer, call); } else { switch (call.getKind()) { case FLOOR: if (call.operandCount() != 2) { super.unparseCall(writer, call, leftPrec, rightPrec); return; } final SqlLiteral timeUnitNode = call.operand(1); final TimeUnitRange timeUnit = timeUnitNode.getValueAs(TimeUnitRange.class); SqlCall call2 = SqlFloorFunction.replaceTimeUnitOperand(call, timeUnit.name(), timeUnitNode.getParserPosition()); SqlFloorFunction.unparseDatetimeFunction(writer, call2, "TRUNC", true); break; default: super.unparseCall(writer, call, leftPrec, rightPrec); } } }
Example 2
Source File: MssqlSqlDialect.java From Bats with Apache License 2.0 | 6 votes |
@Override public void unparseCall(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { if (call.getOperator() == SqlStdOperatorTable.SUBSTRING) { if (call.operandCount() != 3) { throw new IllegalArgumentException("MSSQL SUBSTRING requires FROM and FOR arguments"); } SqlUtil.unparseFunctionSyntax(MSSQL_SUBSTRING, writer, call); } else { switch (call.getKind()) { case FLOOR: if (call.operandCount() != 2) { super.unparseCall(writer, call, leftPrec, rightPrec); return; } unparseFloor(writer, call); break; default: super.unparseCall(writer, call, leftPrec, rightPrec); } } }
Example 3
Source File: OracleSqlDialect.java From calcite with Apache License 2.0 | 6 votes |
@Override public void unparseCall(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { if (call.getOperator() == SqlStdOperatorTable.SUBSTRING) { SqlUtil.unparseFunctionSyntax(SqlLibraryOperators.SUBSTR, writer, call); } else { switch (call.getKind()) { case FLOOR: if (call.operandCount() != 2) { super.unparseCall(writer, call, leftPrec, rightPrec); return; } final SqlLiteral timeUnitNode = call.operand(1); final TimeUnitRange timeUnit = timeUnitNode.getValueAs(TimeUnitRange.class); SqlCall call2 = SqlFloorFunction.replaceTimeUnitOperand(call, timeUnit.name(), timeUnitNode.getParserPosition()); SqlFloorFunction.unparseDatetimeFunction(writer, call2, "TRUNC", true); break; default: super.unparseCall(writer, call, leftPrec, rightPrec); } } }
Example 4
Source File: MssqlSqlDialect.java From calcite with Apache License 2.0 | 6 votes |
@Override public void unparseCall(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { if (call.getOperator() == SqlStdOperatorTable.SUBSTRING) { if (call.operandCount() != 3) { throw new IllegalArgumentException("MSSQL SUBSTRING requires FROM and FOR arguments"); } SqlUtil.unparseFunctionSyntax(MSSQL_SUBSTRING, writer, call); } else { switch (call.getKind()) { case FLOOR: if (call.operandCount() != 2) { super.unparseCall(writer, call, leftPrec, rightPrec); return; } unparseFloor(writer, call); break; default: super.unparseCall(writer, call, leftPrec, rightPrec); } } }
Example 5
Source File: PrestoSqlDialect.java From calcite with Apache License 2.0 | 5 votes |
@Override public void unparseCall(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { if (call.getOperator() == SqlStdOperatorTable.SUBSTRING) { RelToSqlConverterUtil.specialOperatorByName("SUBSTR") .unparse(writer, call, 0, 0); } else { // Current impl is same with Postgresql. PostgresqlSqlDialect.DEFAULT.unparseCall(writer, call, leftPrec, rightPrec); } }
Example 6
Source File: SparkSqlDialect.java From calcite with Apache License 2.0 | 5 votes |
@Override public void unparseCall(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { if (call.getOperator() == SqlStdOperatorTable.SUBSTRING) { SqlUtil.unparseFunctionSyntax(SPARKSQL_SUBSTRING, writer, call); } else { switch (call.getKind()) { case FLOOR: if (call.operandCount() != 2) { super.unparseCall(writer, call, leftPrec, rightPrec); return; } final SqlLiteral timeUnitNode = call.operand(1); final TimeUnitRange timeUnit = timeUnitNode.getValueAs(TimeUnitRange.class); SqlCall call2 = SqlFloorFunction.replaceTimeUnitOperand(call, timeUnit.name(), timeUnitNode.getParserPosition()); SqlFloorFunction.unparseDatetimeFunction(writer, call2, "DATE_TRUNC", false); break; case TRIM: unparseHiveTrim(writer, call, leftPrec, rightPrec); break; default: super.unparseCall(writer, call, leftPrec, rightPrec); } } }
Example 7
Source File: ClickHouseSqlDialect.java From calcite with Apache License 2.0 | 5 votes |
@Override public void unparseCall(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { if (call.getOperator() == SqlStdOperatorTable.SUBSTRING) { RelToSqlConverterUtil.specialOperatorByName("substring") .unparse(writer, call, 0, 0); } else { switch (call.getKind()) { case FLOOR: if (call.operandCount() != 2) { super.unparseCall(writer, call, leftPrec, rightPrec); return; } unparseFloor(writer, call); break; case COUNT: // CH returns NULL rather than 0 for COUNT(DISTINCT) of NULL values. // https://github.com/yandex/ClickHouse/issues/2494 // Wrap the call in a CH specific coalesce (assumeNotNull). if (call.getFunctionQuantifier() != null && call.getFunctionQuantifier().toString().equals("DISTINCT")) { writer.print("assumeNotNull"); SqlWriter.Frame frame = writer.startList("(", ")"); super.unparseCall(writer, call, leftPrec, rightPrec); writer.endList(frame); } else { super.unparseCall(writer, call, leftPrec, rightPrec); } break; default: super.unparseCall(writer, call, leftPrec, rightPrec); } } }
Example 8
Source File: SubstringOperatorConversion.java From calcite with Apache License 2.0 | 4 votes |
@Override public SqlOperator calciteOperator() { return SqlStdOperatorTable.SUBSTRING; }