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Overview
Comment:Fix a JSON1 test case so that it works on builds that omit virtual tables.
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SHA1: a4444c0f662058bdd5267e616c31cef828bc1fc5
User & Date: drh 2015-09-24 11:06:26
Context
2015-09-24
11:26
Correctly handle the case of a WHERE-clause term with indexed expressions on both sides of the == sign. check-in: d9b716a6 user: drh tags: trunk
11:06
Fix a JSON1 test case so that it works on builds that omit virtual tables. check-in: a4444c0f user: drh tags: trunk
01:40
Another (smaller) performance optimization for the JSON parser. check-in: c43daa8c user: drh tags: trunk
Changes
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Changes to test/json101.test. 

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# SQLite library.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

load_static_extension db json
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}
do_catchsql_test json1-1.3 {
  SELECT json_array(1,printf('%.1000c','x'),x'abcd',3);
} {1 {JSON cannot hold BLOB values}}
do_execsql_test json1-1.4 {
  SELECT json_array(-9223372036854775808,9223372036854775807,0,1,-1,
                    0.0, 1.0, -1.0, -1e99, +2e100,
                    'one','two','three',
                    4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
                    19, NULL, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
                    'abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ',
                    'abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ',
                    'abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ',
                    99);
} {[-9223372036854775808,9223372036854775807,0,1,-1,0.0,1.0,-1.0,-1.0e+99,2.0e+100,"one","two","three",4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,null,21,22,23,24,25,26,27,28,29,30,31,"abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ",99]}

do_execsql_test json1-2.1 {
  SELECT json_object('a',1,'b',2.5,'c',null,'d','String Test');
} {{{"a":1,"b":2.5,"c":null,"d":"String Test"}}}
do_catchsql_test json1-2.2 {
  SELECT json_object('a',printf('%.1000c','x'),2,2.5);
} {1 {json_object() labels must be TEXT}}
do_catchsql_test json1-2.3 {
  SELECT json_object('a',1,'b');
} {1 {json_object() requires an even number of arguments}}
do_catchsql_test json1-2.4 {
  SELECT json_object('a',printf('%.1000c','x'),'b',x'abcd');
} {1 {JSON cannot hold BLOB values}}

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',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}','$.b',json('{"x":3,"y":4}')),'$.b');
} {object}

do_execsql_test json1-3.5 {
  SELECT fullkey, atom, '|' FROM json_tree(json_set('{}','$.x',123,'$.x',456));
} {{$} {} | {$.x} 456 |}


# Per rfc7159, any JSON value is allowed at the top level, and whitespace
# is permitting before and/or after that value.
#
do_execsql_test json1-4.1 {
  CREATE TABLE j1(x);
  INSERT INTO j1(x)
   VALUES('true'),('false'),('null'),('123'),('-234'),('34.5e+6'),
         ('""'),('"\""'),('"\\"'),('"abcdefghijlmnopqrstuvwxyz"'),
         ('[]'),('{}'),('[true,false,null,123,-234,34.5e+6,{},[]]'),
         ('{"a":true,"b":{"c":false}}');
  SELECT * FROM j1 WHERE NOT json_valid(x);
} {}
do_execsql_test json1-4.2 {
  SELECT * FROM j1 WHERE NOT json_valid(char(0x20,0x09,0x0a,0x0d)||x);
} {}
do_execsql_test json1-4.3 {
  SELECT * FROM j1 WHERE NOT json_valid(x||char(0x20,0x09,0x0a,0x0d));
} {}

# But an empty string, or a string of pure whitespace is not valid JSON.
#
do_execsql_test json1-4.4 {
  SELECT json_valid(''), json_valid(char(0x20,0x09,0x0a,0x0d));
} {0 0}

# json_remove() and similar functions with no edit operations return their
# input unchanged.
#
do_execsql_test json1-4.5 {
  SELECT x FROM j1 WHERE json_remove(x)<>x;
} {}
do_execsql_test json1-4.6 {
  SELECT x FROM j1 WHERE json_replace(x)<>x;
} {}
do_execsql_test json1-4.7 {
  SELECT x FROM j1 WHERE json_set(x)<>x;
} {}
do_execsql_test json1-4.8 {
  SELECT x FROM j1 WHERE json_insert(x)<>x;
} {}

# json_extract(JSON,'$') will return objects and arrays without change.
#
do_execsql_test json-4.10 {
  SELECT count(*) FROM j1 WHERE json_type(x) IN ('object','array');








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# SQLite library.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

load_static_extension db json
do_execsql_test json101-1.1.00 {
  SELECT json_array(1,2.5,null,'hello');
} {[1,2.5,null,"hello"]}
do_execsql_test json101-1.1.01 {
  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 json101-1.1.02 {
  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 json101-1.1.03 {
  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 json101-1.2 {
  SELECT hex(json_array('String "\ Test'));
} {5B22537472696E67205C225C5C2054657374225D}
do_catchsql_test json101-1.3 {
  SELECT json_array(1,printf('%.1000c','x'),x'abcd',3);
} {1 {JSON cannot hold BLOB values}}
do_execsql_test json101-1.4 {
  SELECT json_array(-9223372036854775808,9223372036854775807,0,1,-1,
                    0.0, 1.0, -1.0, -1e99, +2e100,
                    'one','two','three',
                    4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
                    19, NULL, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
                    'abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ',
                    'abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ',
                    'abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ',
                    99);
} {[-9223372036854775808,9223372036854775807,0,1,-1,0.0,1.0,-1.0,-1.0e+99,2.0e+100,"one","two","three",4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,null,21,22,23,24,25,26,27,28,29,30,31,"abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ",99]}

do_execsql_test json101-2.1 {
  SELECT json_object('a',1,'b',2.5,'c',null,'d','String Test');
} {{{"a":1,"b":2.5,"c":null,"d":"String Test"}}}
do_catchsql_test json101-2.2 {
  SELECT json_object('a',printf('%.1000c','x'),2,2.5);
} {1 {json_object() labels must be TEXT}}
do_catchsql_test json101-2.3 {
  SELECT json_object('a',1,'b');
} {1 {json_object() requires an even number of arguments}}
do_catchsql_test json101-2.4 {
  SELECT json_object('a',printf('%.1000c','x'),'b',x'abcd');
} {1 {JSON cannot hold BLOB values}}

do_execsql_test json101-3.1 {
  SELECT json_replace('{"a":1,"b":2}','$.a','[3,4,5]');
} {{{"a":"[3,4,5]","b":2}}}
do_execsql_test json101-3.2 {
  SELECT json_replace('{"a":1,"b":2}','$.a',json('[3,4,5]'));
} {{{"a":[3,4,5],"b":2}}}
do_execsql_test json101-3.3 {
  SELECT json_type(json_set('{"a":1,"b":2}','$.b','{"x":3,"y":4}'),'$.b');
} {text}
do_execsql_test json101-3.4 {
  SELECT json_type(json_set('{"a":1,"b":2}','$.b',json('{"x":3,"y":4}')),'$.b');
} {object}
ifcapable vtab {
do_execsql_test json101-3.5 {
  SELECT fullkey, atom, '|' FROM json_tree(json_set('{}','$.x',123,'$.x',456));
} {{$} {} | {$.x} 456 |}
}

# Per rfc7159, any JSON value is allowed at the top level, and whitespace
# is permitting before and/or after that value.
#
do_execsql_test json101-4.1 {
  CREATE TABLE j1(x);
  INSERT INTO j1(x)
   VALUES('true'),('false'),('null'),('123'),('-234'),('34.5e+6'),
         ('""'),('"\""'),('"\\"'),('"abcdefghijlmnopqrstuvwxyz"'),
         ('[]'),('{}'),('[true,false,null,123,-234,34.5e+6,{},[]]'),
         ('{"a":true,"b":{"c":false}}');
  SELECT * FROM j1 WHERE NOT json_valid(x);
} {}
do_execsql_test json101-4.2 {
  SELECT * FROM j1 WHERE NOT json_valid(char(0x20,0x09,0x0a,0x0d)||x);
} {}
do_execsql_test json101-4.3 {
  SELECT * FROM j1 WHERE NOT json_valid(x||char(0x20,0x09,0x0a,0x0d));
} {}

# But an empty string, or a string of pure whitespace is not valid JSON.
#
do_execsql_test json101-4.4 {
  SELECT json_valid(''), json_valid(char(0x20,0x09,0x0a,0x0d));
} {0 0}

# json_remove() and similar functions with no edit operations return their
# input unchanged.
#
do_execsql_test json101-4.5 {
  SELECT x FROM j1 WHERE json_remove(x)<>x;
} {}
do_execsql_test json101-4.6 {
  SELECT x FROM j1 WHERE json_replace(x)<>x;
} {}
do_execsql_test json101-4.7 {
  SELECT x FROM j1 WHERE json_set(x)<>x;
} {}
do_execsql_test json101-4.8 {
  SELECT x FROM j1 WHERE json_insert(x)<>x;
} {}

# json_extract(JSON,'$') will return objects and arrays without change.
#
do_execsql_test json-4.10 {
  SELECT count(*) FROM j1 WHERE json_type(x) IN ('object','array');

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