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Take out the goofy '$$' path syntax. Instead, use subtypes to communicate when

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a string is JSON.  Add the json() function that validates and minifies the
JSON and sets the appropriate subtype.

FossilOrigin-Name: 8a80d6459e246ec1b38325e1cbd1e862157138b3
This commit is contained in:
drh
2015-09-11 00:06:41 +00:00
parent cf94f17964
commit f5ddb9c214
4 changed files with 51 additions and 72 deletions
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18
test/json101.test
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@ -16,9 +16,21 @@ set testdir [file dirname $argv0]
source $testdir/tester.tcl
load_static_extension db json
do_execsql_test json1-1.1 {
do_execsql_test json1-1.1.00 {
SELECT json_array(1,2.5,null,'hello');
} {[1,2.5,null,"hello"]}
do_execsql_test json1-1.1.01 {
SELECT json_array(1,'{"abc":2.5,"def":null,"ghi":hello}',99);
-- the second term goes in as a string:
} {[1,"{\\"abc\\":2.5,\\"def\\":null,\\"ghi\\":hello}",99]}
do_execsql_test json1-1.1.02 {
SELECT json_array(1,json('{"abc":2.5,"def":null,"ghi":"hello"}'),99);
-- the second term goes in as JSON
} {[1,{"abc":2.5,"def":null,"ghi":"hello"},99]}
do_execsql_test json1-1.1.03 {
SELECT json_array(1,json_object('abc',2.5,'def',null,'ghi','hello'),99);
-- the second term goes in as JSON
} {[1,{"abc":2.5,"def":null,"ghi":"hello"},99]}
do_execsql_test json1-1.2 {
SELECT hex(json_array('String "\ Test'));
} {5B22537472696E67205C225C5C2054657374225D}
@ -54,13 +66,13 @@ do_execsql_test json1-3.1 {
SELECT json_replace('{"a":1,"b":2}','$.a','[3,4,5]');
} {{{"a":"[3,4,5]","b":2}}}
do_execsql_test json1-3.2 {
SELECT json_replace('{"a":1,"b":2}','$$.a','[3,4,5]');
SELECT json_replace('{"a":1,"b":2}','$.a',json('[3,4,5]'));
} {{{"a":[3,4,5],"b":2}}}
do_execsql_test json1-3.3 {
SELECT json_type(json_set('{"a":1,"b":2}','$.b','{"x":3,"y":4}'),'$.b');
} {text}
do_execsql_test json1-3.4 {
SELECT json_type(json_set('{"a":1,"b":2}','$$.b','{"x":3,"y":4}'),'$.b');
SELECT json_type(json_set('{"a":1,"b":2}','$.b',json('{"x":3,"y":4}')),'$.b');
} {object}
# Per rfc7159, any JSON value is allowed at the top level, and whitespace