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dialect/sql/sqljson: support comparing values with null literal

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This commit is contained in:
Ariel Mashraki
2021-11-10 15:36:50 +02:00
committed by Ariel Mashraki
parent f6c9428978
commit 0c5398a11d
2 changed files with 88 additions and 0 deletions
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42
dialect/sql/sqljson/sqljson_test.go
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@@ -195,6 +195,48 @@ func TestWritePath(t *testing.T) {
wantQuery: "SELECT * FROM \"users\" WHERE (\"tags\"->'a')::jsonb @> $1",
wantArgs: []interface{}{"1"},
},
{
input: sql.Dialect(dialect.Postgres).
Select("*").
From(sql.Table("users")).
Where(sqljson.ValueIsNull("c", sqljson.Path("a"))),
wantQuery: `SELECT * FROM "users" WHERE ("c"->'a')::jsonb = 'null'::jsonb`,
},
{
input: sql.Dialect(dialect.Postgres).
Select("*").
From(sql.Table("users")).
Where(sqljson.ValueNotNull("c", sqljson.Path("a"))),
wantQuery: `SELECT * FROM "users" WHERE ("c"->'a')::jsonb <> 'null'::jsonb`,
},
{
input: sql.Dialect(dialect.MySQL).
Select("*").
From(sql.Table("users")).
Where(sqljson.ValueIsNull("c", sqljson.Path("a"))),
wantQuery: "SELECT * FROM `users` WHERE JSON_EXTRACT(`c`, \"$.a\") = CAST('null' AS JSON)",
},
{
input: sql.Dialect(dialect.MySQL).
Select("*").
From(sql.Table("users")).
Where(sqljson.ValueNotNull("c", sqljson.Path("a"))),
wantQuery: "SELECT * FROM `users` WHERE JSON_EXTRACT(`c`, \"$.a\") <> CAST('null' AS JSON)",
},
{
input: sql.Dialect(dialect.SQLite).
Select("*").
From(sql.Table("users")).
Where(sqljson.ValueIsNull("c", sqljson.Path("a"))),
wantQuery: "SELECT * FROM `users` WHERE JSON_TYPE(`c`, \"$.a\") = 'null'",
},
{
input: sql.Dialect(dialect.SQLite).
Select("*").
From(sql.Table("users")).
Where(sqljson.ValueNotNull("c", sqljson.Path("a"))),
wantQuery: "SELECT * FROM `users` WHERE JSON_TYPE(`c`, \"$.a\") <> 'null'",
},
}
for i, tt := range tests {
t.Run(strconv.Itoa(i), func(t *testing.T) {