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db2 sql parser support concat binary operator

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高铁
2016-05-06 16:50:05 +08:00
parent 8cdad2dad0
commit 2fb9763c77
6 changed files with 118 additions and 2 deletions
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src/main/java/com/alibaba/druid/sql/dialect/db2/parser/DB2Lexer.java
+1
View File
@@ -37,6 +37,7 @@ public class DB2Lexer extends Lexer {
map.put("ONLY", Token.ONLY);
map.put("OPTIMIZE", Token.OPTIMIZE);
map.put("OF", Token.OF);
map.put("CONCAT", Token.CONCAT);
DEFAULT_DB2_KEYWORDS = new Keywords(map);
}
src/main/java/com/alibaba/druid/sql/dialect/db2/visitor/DB2OutputVisitor.java
+9
View File
@@ -17,6 +17,7 @@ package com.alibaba.druid.sql.dialect.db2.visitor;
import com.alibaba.druid.sql.ast.SQLObject;
import com.alibaba.druid.sql.ast.SQLOrderBy;
import com.alibaba.druid.sql.ast.expr.SQLBinaryOperator;
import com.alibaba.druid.sql.ast.statement.SQLSelect;
import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
import com.alibaba.druid.sql.dialect.db2.ast.stmt.DB2SelectQueryBlock;
@@ -91,4 +92,12 @@ public class DB2OutputVisitor extends SQLASTOutputVisitor implements DB2ASTVisit
public void endVisit(DB2ValuesStatement x) {
}
protected void printOperator(SQLBinaryOperator operator) {
if (operator == SQLBinaryOperator.Concat) {
print0(ucase ? "CONCAT" : "concat");
} else {
print0(ucase ? operator.name : operator.name_lcase);
}
}
}