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[improvement][headless] Fix interval time sql error(#1717) (#1786)

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jipeli
2024-10-11 18:53:49 +08:00
committed by GitHub
parent 4408bf4325
commit b6e4577784
1 changed files with 39 additions and 5 deletions
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44
common/src/main/java/com/tencent/supersonic/common/calcite/SemanticSqlDialect.java
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@@ -1,14 +1,16 @@
package com.tencent.supersonic.common.calcite; package com.tencent.supersonic.common.calcite;
import com.google.common.base.Preconditions; import com.google.common.base.Preconditions;
import org.apache.calcite.sql.SqlDialect; import org.apache.calcite.rel.type.RelDataTypeSystem;
import org.apache.calcite.sql.SqlIntervalLiteral; import org.apache.calcite.sql.*;
import org.apache.calcite.sql.SqlNode; import org.apache.calcite.sql.fun.SqlMonotonicBinaryOperator;
import org.apache.calcite.sql.SqlWriter; import org.apache.calcite.sql.parser.SqlParserPos;
import org.apache.calcite.sql.validate.SqlConformance; import org.apache.calcite.sql.validate.SqlConformance;
import org.checkerframework.checker.nullness.qual.Nullable; import org.checkerframework.checker.nullness.qual.Nullable;
/** customize the SqlDialect */ /**
* customize the SqlDialect
*/
public class SemanticSqlDialect extends SqlDialect { public class SemanticSqlDialect extends SqlDialect {
private static final SqlConformance tagTdwSqlConformance = new SemanticSqlConformance(); private static final SqlConformance tagTdwSqlConformance = new SemanticSqlConformance();
@@ -85,4 +87,36 @@ public class SemanticSqlDialect extends SqlDialect {
public boolean supportsNestedAggregations() { public boolean supportsNestedAggregations() {
return false; return false;
} }
public void unparseCall(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) {
if (modifyIntervalTime(call, writer, leftPrec, rightPrec)) {
return;
}
super.unparseCall(writer, call, leftPrec, rightPrec);
}
private Boolean modifyIntervalTime(SqlCall call, SqlWriter writer, int leftPrec,
int rightPrec) {
SqlOperator operator = call.getOperator();
if (operator instanceof SqlMonotonicBinaryOperator
&& call.getKind().equals(SqlKind.TIMES)) {
if (call.getOperandList() != null && call.getOperandList().size() == 2
&& call.getOperandList().get(1) instanceof SqlIntervalLiteral) {
SqlIntervalLiteral intervalOperand =
(SqlIntervalLiteral) call.getOperandList().get(1);
SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue) intervalOperand.getValue();
call.setOperand(1, SqlNumericLiteral.createExactNumeric(interval.toString(),
SqlParserPos.ZERO));
writer.keyword(SqlKind.INTERVAL.name());
call.unparse(writer, leftPrec, rightPrec);
unparseSqlIntervalQualifier(writer, interval.getIntervalQualifier(),
RelDataTypeSystem.DEFAULT);
return true;
}
}
return false;
}
} }