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Support VALUES and parenthesized SELECTs as top-level statements
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2 files changed

+13
-1
lines changed

2 files changed

+13
-1
lines changed

src/sqlparser.rs

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -109,7 +109,7 @@ impl Parser {
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match self.next_token() {
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Some(t) => match t {
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Token::SQLWord(ref w) if w.keyword != "" => match w.keyword.as_ref() {
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"SELECT" | "WITH" => {
112+
"SELECT" | "WITH" | "VALUES" => {
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self.prev_token();
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Ok(SQLStatement::SQLQuery(Box::new(self.parse_query()?)))
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}
@@ -133,6 +133,10 @@ impl Parser {
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w.to_string()
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)),
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},
136+
Token::LParen => {
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self.prev_token();
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Ok(SQLStatement::SQLQuery(Box::new(self.parse_query()?)))
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}
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unexpected => self.expected(
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"a keyword at the beginning of a statement",
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Some(unexpected),

tests/sqlparser_common.rs

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -181,6 +181,14 @@ fn parse_where_delete_statement() {
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}
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}
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#[test]
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fn parse_top_level() {
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verified_stmt("SELECT 1");
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verified_stmt("(SELECT 1)");
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verified_stmt("((SELECT 1))");
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verified_stmt("VALUES (1)");
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}
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#[test]
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fn parse_simple_select() {
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let sql = "SELECT id, fname, lname FROM customer WHERE id = 1 LIMIT 5";

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