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Implement SUBSTRING(col [FROM <expr>] [FOR <expr>]) syntax (#293)

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Daniël Heres 2021-02-07 16:06:50 +01:00 • committed by GitHub
parent 8a214f9919
commit 6f0b2dcd92
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4 changed files with 63 additions and 3 deletions
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17
tests/sqlparser_common.rs
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@ -2598,6 +2598,23 @@ fn parse_scalar_subqueries() {
);
}
#[test]
fn parse_substring() {
one_statement_parses_to("SELECT SUBSTRING('1')", "SELECT SUBSTRING('1')");
one_statement_parses_to(
"SELECT SUBSTRING('1' FROM 1)",
"SELECT SUBSTRING('1' FROM 1)",
);
one_statement_parses_to(
"SELECT SUBSTRING('1' FROM 1 FOR 3)",
"SELECT SUBSTRING('1' FROM 1 FOR 3)",
);
one_statement_parses_to("SELECT SUBSTRING('1' FOR 3)", "SELECT SUBSTRING('1' FOR 3)");
}
#[test]
fn parse_exists_subquery() {
let expected_inner = verified_query("SELECT 1");