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Code Issues Releases Wiki Activity

improved sql parser.

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This commit is contained in:
wenshao
2017-06-29 21:06:21 +08:00
parent f5cbc026b1
commit 2c52661fe9
11 changed files with 457 additions and 41 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java
+39 -9
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@@ -2139,18 +2139,26 @@ public class SQLStatementParser extends SQLParser {
lexer.nextToken();
for (;;) {
SQLCreateViewStatement.Column column = new SQLCreateViewStatement.Column();
SQLExpr expr = this.exprParser.expr();
column.setExpr(expr);
if (lexer.token() == Token.COMMENT) {
lexer.nextToken();
column.setComment((SQLCharExpr) exprParser.primary());
if (lexer.token() == Token.CONSTRAINT) {
SQLTableConstraint constraint = (SQLTableConstraint) this.exprParser.parseConstaint();
createView.addColumn(constraint);
} else {
SQLColumnDefinition column = new SQLColumnDefinition();
SQLName expr = this.exprParser.name();
column.setName(expr);
this.exprParser.parseColumnRest(column);
if (lexer.token() == Token.COMMENT) {
lexer.nextToken();
column.setComment((SQLCharExpr) exprParser.primary());
}
column.setParent(createView);
createView.addColumn(column);
}
column.setParent(createView);
createView.addColumn(column);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
} else {
@@ -2171,6 +2179,28 @@ public class SQLStatementParser extends SQLParser {
SQLSelectParser selectParser = this.createSQLSelectParser();
createView.setSubQuery(selectParser.select());
if (lexer.token() == Token.WITH) {
lexer.nextToken();
if (identifierEquals("CASCADED")) {
createView.setWithCascaded(true);
lexer.nextToken();
} else if (identifierEquals("LOCAL")){
createView.setWithLocal(true);
lexer.nextToken();
} else if (identifierEquals("READ")) {
lexer.nextToken();
accept(Token.ONLY);
createView.setWithReadOnly(true);
}
if (lexer.token() == Token.CHECK) {
lexer.nextToken();
createView.setWithCheckOption(true);
}
}
return createView;
}