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(improvement)(headless) remove null collation config (#622)

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jipeli
2024-01-12 18:14:47 +08:00
committed by GitHub
parent dcc1f26542
commit e29ecec0c9
1 changed files with 0 additions and 2 deletions
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headless/core/src/main/java/com/tencent/supersonic/headless/core/parser/calcite/schema/SemanticSqlDialect.java
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@@ -2,7 +2,6 @@ package com.tencent.supersonic.headless.core.parser.calcite.schema;
import com.google.common.base.Preconditions;
import org.apache.calcite.avatica.util.Casing;
import org.apache.calcite.config.NullCollation;
import org.apache.calcite.sql.SqlDialect;
import org.apache.calcite.sql.SqlIntervalLiteral;
import org.apache.calcite.sql.SqlNode;
@@ -20,7 +19,6 @@ public class SemanticSqlDialect extends SqlDialect {
.withLiteralQuoteString("'")
.withLiteralEscapedQuoteString("''")
.withIdentifierQuoteString("`")
.withNullCollation(NullCollation.LOW)
.withUnquotedCasing(Casing.UNCHANGED)
.withQuotedCasing(Casing.UNCHANGED)
.withCaseSensitive(false);