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JSON_REPLACE function
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The MySQL style JSON_REPLACE
function is a function that does not add add (like JSON_INSERT) but replaces a value in a JSON document, given a JSON path.
SELECT JSON_REPLACE('{"a":1}', '$.a', 2), JSON_REPLACE('{"a":1}', '$.b', 2)
create.select( jsonReplace(val(json("{\"a\":1}")), "$.a", 2), jsonReplace(val(json("{\"a\":1}")), "$.b", 2)).fetch();
The result would look like this:
+--------------+--------------+ | json_replace | json_replace | +--------------+--------------+ | {"a":2} | {"a":1} | +--------------+--------------+
Dialect support
This example using jOOQ:
jsonReplace(val(json("{\"a\":1}")), "$.a", 2)
Translates to the following dialect specific expressions:
-- MARIADB, MYSQL, SQLITE json_replace('{"a":1}', '$.a', 2) -- ORACLE json_transform('{"a":1}', REPLACE '$.a' = 2) -- SQLSERVER CASE WHEN coalesce( json_query('{"a":1}', '$.a'), json_value('{"a":1}', '$.a') ) IS NULL THEN '{"a":1}' ELSE json_modify( json_modify('{"a":1}', '$.a', ''), ('strict ' + '$.a'), 2 ) END -- ACCESS, ASE, AURORA_MYSQL, AURORA_POSTGRES, BIGQUERY, COCKROACHDB, DB2, DERBY, DUCKDB, EXASOL, FIREBIRD, H2, HANA, -- HSQLDB, INFORMIX, MEMSQL, POSTGRES, REDSHIFT, SNOWFLAKE, SQLDATAWAREHOUSE, SYBASE, TERADATA, TRINO, VERTICA, YUGABYTEDB /* UNSUPPORTED */
(These are currently generated with jOOQ 3.19, see #10141), or translate your own on our website
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