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Add support for dropping multiple columns in Snowflake (#1918)

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Yoav Cohen 2025-07-05 08:18:58 +02:00 • committed by GitHub
parent b0bcc46e22
commit d2466af20a
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7 changed files with 28 additions and 12 deletions
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7
tests/sqlparser_common.rs
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@ -4996,15 +4996,18 @@ fn parse_alter_table_drop_column() {
"ALTER TABLE tab DROP is_active CASCADE",
);
let dialects = all_dialects_where(|d| d.supports_comma_separated_drop_column_list());
dialects.verified_stmt("ALTER TABLE tbl DROP COLUMN c1, c2, c3");
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,
column_names,
if_exists,
drop_behavior,
} => {
assert_eq!("is_active", column_name.to_string());
assert_eq!("is_active", column_names.first().unwrap().to_string());
assert!(if_exists);
match drop_behavior {
None => assert!(constraint_text.ends_with(" is_active")),

4
tests/sqlparser_mysql.rs
View file

@ -2876,7 +2876,7 @@ fn parse_alter_table_with_algorithm() {
vec![
AlterTableOperation::DropColumn {
has_column_keyword: true,
column_name: Ident::new("password_digest"),
column_names: vec![Ident::new("password_digest")],
if_exists: false,
drop_behavior: None,
},
@ -2924,7 +2924,7 @@ fn parse_alter_table_with_lock() {
vec![
AlterTableOperation::DropColumn {
has_column_keyword: true,
column_name: Ident::new("password_digest"),
column_names: vec![Ident::new("password_digest")],
if_exists: false,
drop_behavior: None,
},