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Code Issues Releases Wiki Activity

sql parser improve sql server support

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This commit is contained in:
wenshao
2013-01-12 16:03:15 +08:00
parent 60ea70b09d
commit b503104bec
12 changed files with 298 additions and 83 deletions
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src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlStatementParser.java
+33 -21
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@@ -23,6 +23,7 @@ import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.ast.SQLOrderBy;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
import com.alibaba.druid.sql.ast.expr.SQLListExpr;
import com.alibaba.druid.sql.ast.expr.SQLLiteralExpr;
import com.alibaba.druid.sql.ast.expr.SQLQueryExpr;
import com.alibaba.druid.sql.ast.expr.SQLVariantRefExpr;
@@ -199,27 +200,7 @@ public class MySqlStatementParser extends SQLStatementParser {
stmt.setTableSource(tableSource);
}
accept(Token.SET);
for (;;) {
SQLUpdateSetItem item = new SQLUpdateSetItem();
item.setColumn(this.exprParser.name());
if (lexer.token() == Token.EQ) {
lexer.nextToken();
} else {
accept(Token.COLONEQ);
}
item.setValue(this.exprParser.expr());
stmt.getItems().add(item);
if (lexer.token() == (Token.COMMA)) {
lexer.nextToken();
continue;
}
break;
}
parseUpdateSet(stmt);
if (lexer.token() == (Token.WHERE)) {
lexer.nextToken();
@@ -2361,4 +2342,35 @@ public class MySqlStatementParser extends SQLStatementParser {
return stmt;
}
protected void parseUpdateSet(SQLUpdateStatement update) {
accept(Token.SET);
for (;;) {
SQLUpdateSetItem item = new SQLUpdateSetItem();
if (lexer.token() == (Token.LPAREN)) {
lexer.nextToken();
SQLListExpr list = new SQLListExpr();
this.exprParser.exprList(list.getItems());
accept(Token.RPAREN);
item.setColumn(list);
} else {
item.setColumn(this.exprParser.primary());
}
if (lexer.token() == Token.COLONEQ) {
lexer.nextToken();
} else {
accept(Token.EQ);
}
item.setValue(this.exprParser.expr());
update.getItems().add(item);
if (lexer.token() != Token.COMMA) {
break;
}
lexer.nextToken();
}
}
}