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Keep the COLUMN keyword only if it exists when dropping the column (#1862)

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hulk 2025-05-28 13:09:40 +08:00 • committed by GitHub
parent 301726541a
commit 9159d08c5e
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5 changed files with 12 additions and 4 deletions
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5
tests/sqlparser_common.rs
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@ -4926,17 +4926,18 @@ fn parse_alter_table_drop_column() {
check_one("DROP COLUMN IF EXISTS is_active CASCADE");
check_one("DROP COLUMN IF EXISTS is_active RESTRICT");
one_statement_parses_to(
"ALTER TABLE tab DROP IF EXISTS is_active CASCADE",
"ALTER TABLE tab DROP COLUMN IF EXISTS is_active CASCADE",
"ALTER TABLE tab DROP COLUMN IF EXISTS is_active CASCADE",
);
one_statement_parses_to(
"ALTER TABLE tab DROP is_active CASCADE",
"ALTER TABLE tab DROP COLUMN is_active CASCADE",
"ALTER TABLE tab DROP is_active CASCADE",
);
fn check_one(constraint_text: &str) {
match alter_table_op(verified_stmt(&format!("ALTER TABLE tab {constraint_text}"))) {
AlterTableOperation::DropColumn {
has_column_keyword: true,
column_name,
if_exists,
drop_behavior,