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Add support for json_extract

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Kacper Madej 2024-12-20 14:51:54 +01:00
parent 82bc9501fd
commit ad9acf7400
10 changed files with 893 additions and 468 deletions
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87
testing/json.test
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@ -83,3 +83,90 @@ do_execsql_test json_array_json {
do_execsql_test json_array_nested {
SELECT json_array(json_array(1,2,3), json('[1,2,3]'), '[1,2,3]')
} {{[[1,2,3],[1,2,3],"[1,2,3]"]}}
do_execsql_test json_extract_null {
SELECT json_extract(null, '$')
} {{}}
do_execsql_test json_extract_empty {
SELECT json_extract()
} {{}}
do_execsql_test json_extract_single_param {
SELECT json_extract(1)
} {{}}
do_execsql_test json_extract_null_invalid_path {
SELECT json_extract(null, 1)
} {{}}
do_execsql_test json_extract_null_invalid_path_2 {
SELECT json_extract(null, CAST(1 AS BLOB))
} {{}}
do_execsql_test json_extract_multiple_nulls {
SELECT json_extract(null, CAST(1 AS BLOB), null, 1, 2, 3)
} {{}}
do_execsql_test json_extract_number {
SELECT json_extract(1, '$')
} {{1}}
# \x61 is the ASCII code for 'a', json_extract needs an exact match though
do_execsql_test json_extract_with_escaping {
SELECT json_extract('{"\x61": 1}', '$.a')
} {{}}
# TODO: fix me
#do_execsql_test json_extract_with_escaping_2 {
# SELECT json_extract('{"\x61": 1}', '$.\x61')
#} {{1}}
do_execsql_test json_extract_null_path {
SELECT json_extract(1, null)
} {{}}
do_execsql_test json_extract_multiple_null_paths {
SELECT json_extract(1, null, null, null)
} {{[null,null,null]}}
# TODO: fix me
#do_execsql_test json_extract_quote {
# SELECT json_extract('{"\"":1 }', '$.\"')
#} {{1}}
# Overflows 2**32 is equivalent to 0
do_execsql_test json_extract_overflow_int32_1 {
SELECT json_extract('[1,2,3]', '$[4294967296]')
} {{1}}
# Overflows 2**32 + 1 is equivalent to 1
do_execsql_test json_extract_overflow_int32_2 {
SELECT json_extract('[1,2,3]', '$[4294967297]')
} {{2}}
# Overflows -2**32 - 1 is equivalent to -1
do_execsql_test json_extract_overflow_int32_3 {
SELECT json_extract('[1,2,3]', '$[#-4294967297]')
} {{3}}
# Overflows -2**32 - 2 is equivalent to -2
do_execsql_test json_extract_overflow_int32_3 {
SELECT json_extract('[1,2,3]', '$[#-4294967298]')
} {{2}}
# pow(2,63) + 1 == 9223372036854775808
do_execsql_test json_extract_overflow_int64 {
SELECT json_extract('[1,2,3]', '$[9223372036854775808]');
} {{1}}
# TODO: fix me?
# pow(2, 127) + 1 == 170141183460469231731687303715884105729
#do_execsql_test json_extract_overflow_int128 {
# SELECT json_extract('[1, 2, 3]', '$[170141183460469231731687303715884105729]');
#} {{2}}
do_execsql_test json_extract_blob {
select json_extract(CAST('[1,2,3]' as BLOB), '$[1]')
} {{2}}