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[#6835] fixed json_each/json_array_length normalizations to properly check for array values

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Gani Georgiev committed 2025-05-13 21:26:33 +03:00
1 parent 0113fecca9
commit e73077e7e7
36 files changed
+78 -68
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tools/dbutils/json.go
+8 -4
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@@ -8,9 +8,11 @@ import (
// JSONEach returns JSON_EACH SQLite string expression with
// some normalizations for non-json columns.
func JSONEach(column string) string {
// note: we are not using the new and shorter "if(x,y)" syntax for
// compatability with custom drivers that use older SQLite version
return fmt.Sprintf(
`json_each(CASE WHEN json_valid([[%s]]) THEN [[%s]] ELSE json_array([[%s]]) END)`,
column, column, column,
`json_each(CASE WHEN iif(json_valid([[%s]]), json_type([[%s]])='array', FALSE) THEN [[%s]] ELSE json_array([[%s]]) END)`,
column, column, column, column,
)
}
@@ -21,9 +23,11 @@ func JSONEach(column string) string {
//
// Returns 0 for empty string or NULL column values.
func JSONArrayLength(column string) string {
// note: we are not using the new and shorter "if(x,y)" syntax for
// compatability with custom drivers that use older SQLite version
return fmt.Sprintf(
`json_array_length(CASE WHEN json_valid([[%s]]) THEN [[%s]] ELSE (CASE WHEN [[%s]] = '' OR [[%s]] IS NULL THEN json_array() ELSE json_array([[%s]]) END) END)`,
column, column, column, column, column,
`json_array_length(CASE WHEN iif(json_valid([[%s]]), json_type([[%s]])='array', FALSE) THEN [[%s]] ELSE (CASE WHEN [[%s]] = '' OR [[%s]] IS NULL THEN json_array() ELSE json_array([[%s]]) END) END)`,
column, column, column, column, column, column,
)
}