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dialct/sql/sqljson: fix HasKey implementation for SQLite (#2887)

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This commit is contained in:
Ariel Mashraki
2022-08-29 23:37:30 +03:00
committed by GitHub
parent 1cf4fc88c7
commit bedbea6665
4 changed files with 68 additions and 17 deletions
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17
dialect/sql/sqljson/sqljson.go
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@@ -22,18 +22,11 @@ func HasKey(column string, opts ...Option) *sql.Predicate {
return sql.P(func(b *sql.Builder) {
switch b.Dialect() {
case dialect.SQLite:
b.Nested(func(b *sql.Builder) {
b.Join(
sql.Or(
// The result is NULL for JSON null.
sql.P(func(b *sql.Builder) {
ValuePath(b, column, opts...)
b.WriteOp(sql.OpNotNull)
}),
ValueIsNull(column, opts...),
),
)
})
// JSON_TYPE returns NULL in case the path selects an element
// that does not exist. See: https://sqlite.org/json1.html#jtype.
path := identPath(column, opts...)
path.mysqlFunc("JSON_TYPE", b)
b.WriteOp(sql.OpNotNull)
default:
ValuePath(b, column, opts...)
b.WriteOp(sql.OpNotNull)