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Code Issues Releases Wiki Activity

new feature : sql builder

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This commit is contained in:
wenshao
2015-06-07 22:36:33 +08:00
parent 7575d5f1ff
commit 3a7d001b93
32 changed files with 921 additions and 125 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLSelectParser.java
+4 -26
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@@ -64,7 +64,7 @@ public class SQLSelectParser extends SQLParser {
select.setOrderBy(parseOrderBy());
}
while(lexer.token() == Token.HINT) {
while (lexer.token() == Token.HINT) {
this.exprParser.parseHints(select.getHints());
}
@@ -269,11 +269,12 @@ public class SQLSelectParser extends SQLParser {
}
}
protected final void parseSelectList(SQLSelectQueryBlock queryBlock) {
protected void parseSelectList(SQLSelectQueryBlock queryBlock) {
final List<SQLSelectItem> selectList = queryBlock.getSelectList();
for (;;) {
final SQLSelectItem selectItem = parseSelectItem();
final SQLSelectItem selectItem = this.exprParser.parseSelectItem();
selectList.add(selectItem);
selectItem.setParent(queryBlock);
if (lexer.token() != Token.COMMA) {
break;
@@ -283,29 +284,6 @@ public class SQLSelectParser extends SQLParser {
}
}
protected SQLSelectItem parseSelectItem() {
SQLExpr expr;
boolean connectByRoot = false;
if (lexer.token() == Token.IDENTIFIER) {
if (identifierEquals("CONNECT_BY_ROOT")) {
connectByRoot = true;
lexer.nextToken();
}
expr = new SQLIdentifierExpr(lexer.stringVal());
lexer.nextTokenComma();
if (lexer.token() != Token.COMMA) {
expr = this.exprParser.primaryRest(expr);
expr = this.exprParser.exprRest(expr);
}
} else {
expr = expr();
}
final String alias = as();
return new SQLSelectItem(expr, alias, connectByRoot);
}
public void parseFrom(SQLSelectQueryBlock queryBlock) {
if (lexer.token() != Token.FROM) {
return;