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b460e52a83
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14462 Commits

Author SHA1 Message Date
drh
b460e52a83 For PRAGMAs, factor out the code that sets the result set column names into 
a subroutine.

FossilOrigin-Name: 0ea6e5c9fc6b1dd1174c09097be5bf291da4e6c7
 2015-09-03 03:29:51 +00:00
drh
2a8f671244 Optimizations to the printf formatter. 
FossilOrigin-Name: a3b35ddeca8f459e81105ab6477f3c5afb9b96d5
 2015-09-02 21:00:48 +00:00
drh
0ff287fb01 Add and use the sqlite3VdbeChangeOpcode() routine. Simplify the implementation 
of the other sqlite3VdbeChange*() routines.

FossilOrigin-Name: 0a5b00e493efae58252f9fc7bde5a469645942d5
 2015-09-02 18:40:33 +00:00
drh
2991ba050b Add the sqlite3VdbeAddGoto(v,i) routine as a shorthand for 
sqlite3VdbeAddOp2(v,OP_Goto,0,i).

FossilOrigin-Name: be78f413df1b0d874b44a866ef6bf17543d7e8a2
 2015-09-02 18:19:00 +00:00
drh
ef41dfe5b1 Change sqlite3_sql() so that it always returns the SQL text of the prepared 
statement, if the text is available, even if the the prepared statement was
generated using sqlite3_prepare() instead of sqlite3_prepare_v2().  Also
include some minor comment fixes and code simplifications.

FossilOrigin-Name: 2f5472cfda6c72e75b9cf7b7481612465c1a5e6a
 2015-09-02 17:55:12 +00:00
drh
2ed0d809a6 Small simplification to the EXPLAIN QUERY PLAN logic. 
FossilOrigin-Name: d1592d201afea20cb2ca94fe2bf5ae031bd29ede
 2015-09-02 16:51:37 +00:00
drh
d37bea5bdc Use sqlite3XPrintf() instead of sqlite3StrAccumAppend() in a few places 
for better performance and a smaller footprint.

FossilOrigin-Name: 82355e41084387fa11b7b531e4d660dd3b4cd984
 2015-09-02 15:37:50 +00:00
drh
4ef299a32c The sqlite3_memory_alarm() interface has been deprecated and undocumented 
for almost 8 years (since version 3.5.3).  Change it into a no-op.

FossilOrigin-Name: 5d3f5df4da9f40d5897b5c23b2ea9333fc18ac2c
 2015-09-02 14:56:56 +00:00
drh
02bf8b45b7 Very minor optimizations in the unix VFS. 
FossilOrigin-Name: 6db3ff45bc15ece29cb2c7a736e5c6d005dde200
 2015-09-01 23:51:53 +00:00
drh
59a5364cf9 Performance improvement in sqlite3VarintLen(). 
FossilOrigin-Name: adf9fefb00ae1dbb07a921c6796cb0a9505c6d19
 2015-09-01 22:29:07 +00:00
drh
054bbabc76 Small size reduction and performance increase in sqlite3DbMallocSize(). 
FossilOrigin-Name: 8a80967f849eed002a701235ed7fb406099d566e
 2015-09-01 20:09:33 +00:00
drh
3c0c43191a Reduce the number of calls to sqlite3BeginBenignMalloc(). 
FossilOrigin-Name: 0bee6583665782fac5d9e82bdf19b6f07e7bd03f
 2015-09-01 19:51:37 +00:00
drh
3ad93bba84 Enhance the json_extract() function so that if given multiple PATH arguments 
it will return a JSON array with all of the answers.  Also update comments
within the json1 extension to reflect stricter interpretation of JSON and PATH
arguments.

FossilOrigin-Name: 1da60c3dda4254620052a83c853c2d2b6dd5009f
 2015-08-29 19:41:45 +00:00
drh
3be094df69 Link the json1 extension into the command-line shell by default. 
FossilOrigin-Name: 2e8e239cec5a12ac81cf62c0fbe94fb5713c31b1
 2015-08-29 19:03:33 +00:00
drh
20b3b6109b New test cases for the json1 extension. 
FossilOrigin-Name: daff4832af963f98bcc1d2c2f84bd815d384f850
 2015-08-29 18:30:30 +00:00
drh
d29759288e Fix the build with -DSQLITE_OMIT_VIRTUALTABLE. 
FossilOrigin-Name: 752918def7231f7846b3e985c9953a1cc825ab6b
 2015-08-29 17:22:33 +00:00
drh
d1f0068d19 Do not consider an empty string to be valid JSON. Add some additional 
JSON test cases.

FossilOrigin-Name: fd19ff029f128f478f69910352a6f8b84262ce1d
 2015-08-29 16:02:37 +00:00
drh
a771402e55 Change the json1.c module so that it throws an error if any of the 
JSON selector paths are malformed.

FossilOrigin-Name: 3aa0855fd463076fc3277f1d9fe00d2f30e6b449
 2015-08-29 00:54:49 +00:00
drh
f2df7e71d6 Back out the json_check() routine. Instead, throw an error if the input to 
a json function (other than json_valid()) is not valid JSON.

FossilOrigin-Name: dc9ce7b18cbe23d065317757234ef9fb8792da7a
 2015-08-28 20:07:40 +00:00
dan
2798f0b54b Fix compiler warnings in rbu code. 
FossilOrigin-Name: 0fdc36fe35ae2fc8e9688fe6c53437f4d47502d9
 2015-08-28 16:41:45 +00:00
dan
3b05828ea8 When searching the wal file for a frame, do not search that part that was already checkpointed when the transaction was opened. 
FossilOrigin-Name: a84cf4f5d326270a61faf4ff867260f2dd1e68a6
 2015-08-28 16:18:45 +00:00
dan
8f9ea2dc70 Merge latest trunk into this branch. 
FossilOrigin-Name: ab93024da7bd577d8850b417aff8597a8b3807fc
 2015-08-28 15:50:24 +00:00
drh
f6ec8d4f4c Add the json_check() function, which returns its argument if the argument 
is well-formed JSON or which throws an error otherwise.

FossilOrigin-Name: 64abb65d4df11e5b3bcc4afc8e7c18e907c6080a
 2015-08-28 03:48:04 +00:00
drh
ecb5fedb3f Enhance the json_insert(), json_replace(), and json_set() functions with the 
ability to add JSON instead of text if the argument is text and if the PATH
begins with '$$' instead of just '$'.

FossilOrigin-Name: 44f103d8862abc2d5613bac04dc2ea8e625b1f40
 2015-08-28 03:33:50 +00:00
drh
2dc292930d Fix the OR-optimization so that it always ignores subplans that do not 
use an index.

FossilOrigin-Name: 66f92a16866e5825363636b9cc4b8f9b29d9e84d
 2015-08-27 23:18:55 +00:00
drh
a3f108e93d Reduce the size of the WhereScan object by 24 bytes while also clarifying its 
operation.

FossilOrigin-Name: cbc3c9a8bf169ae0b21f26855038502c6cc25cfe
 2015-08-26 21:08:04 +00:00
drh
5579d59fb3 Evaluate expressions only once when the same expression is used in both the 
result set and in the ORDER BY clause.

FossilOrigin-Name: c2f3bbad778504681b39ab9399a1eb3c1a35ab3f
 2015-08-26 14:01:41 +00:00
drh
0576bc59a7 Refactor With.a.zErr into With.a.zCteErr. No logic changes. 
FossilOrigin-Name: 58ba73630ecc4bc58b03a7962dd45b305ef605ef
 2015-08-26 11:40:11 +00:00
drh
1c4505de91 Update the TreeView output for compound SELECT statements so that all entries 
are shown vertically aligned rather than each successive entry being indented.

FossilOrigin-Name: 65a8918776aa395009a690fa86bfc7d99eb973f9
 2015-08-26 11:34:31 +00:00
drh
567cc1e407 Move sqlite3IndexColumnAffinity() inside of SQLITE_ENABLE_STAT3_OR_STAT4. 
FossilOrigin-Name: b3732a4e1b42a86675d89766cb8089914e2fab9a
 2015-08-25 19:42:28 +00:00
drh
e910769817 Use the sqlite3IndexColumnAffinity() routine to quickly and correctly find the 
affinity of an index column.

FossilOrigin-Name: 1ee089a72d789002a0a377347fc51e08ab32fb14
 2015-08-25 19:20:04 +00:00
drh
f8febc1b05 Fix a memory leak that might occur when compiling with SQLITE_OMIT_CHECK. 
FossilOrigin-Name: 8f1d9f1f308518522ebb1eaebb9b184b4ac30924
 2015-08-25 00:34:54 +00:00
drh
fea870be38 Remove some redundant code: Call sqlite3ResolveExprListNames() rather than 
calling sqlite3ResolveExprNames() in a loop - in two places.

FossilOrigin-Name: bdaf66465b6b1bdad10c08d9527b98e7000a41e4
 2015-08-24 20:54:06 +00:00
drh
108aa00a87 Enhances the parser so that it accepts arbitrary expressions for the arguments 
of an index, though the code generator still rejects everything other than
simple column names.  The sqlite3RestrictColumnListSyntax() routine is removed
since that feature is now handled by the parser.

FossilOrigin-Name: bed42116addabcf3dfdc2e2d51ae183965704988
 2015-08-24 20:21:20 +00:00
drh
8981b904b5 Enhance the CREATE VIEW syntax so that the names of columns of the view can 
be specified after the view name.

FossilOrigin-Name: d794b34da6f9c77dfe17773b0b17b22de72cce7f
 2015-08-24 17:42:49 +00:00
mistachkin
a09767b230 Enhancements to the batch build tool for MSVC. 
FossilOrigin-Name: a1ae20cd97456a1126cfa1a9bedce0bac0940ad6
 2015-08-24 17:18:43 +00:00
drh
bc622bc045 Disallow the use of COLLATE clauses and the ASC and DESC keywords within 
foreign key constraints and in the argument list to common table expressions.

FossilOrigin-Name: 83cbc4d8761498647794affffa961a4fca311be7
 2015-08-24 15:39:42 +00:00
drh
80d874083b Improvements to JSON string dequoting. 
FossilOrigin-Name: 196d66d34d9783622e6f2f79eafea1488fc6f5cf
 2015-08-24 12:42:41 +00:00
drh
442a7c6015 Fix corner-case problems in the type and atom columns of json_each() and 
json_tree().

FossilOrigin-Name: f0aba0e120074430cd7ad93291fcc97b8a25a054
 2015-08-24 02:32:04 +00:00
drh
e792b5b420 Fix a comment typo on sqlite3ExprAlloc(). No code changes. 
FossilOrigin-Name: 518d6220a12fb1289f699ef0821e6adfcd286ed0
 2015-08-23 20:48:29 +00:00
drh
c3722b2103 Fix minor glitches in the json1.c extension, mostly having to do with OOM 
behavior.

FossilOrigin-Name: cc5204149c4053b9e529a72102d8df0925ad1ea1
 2015-08-23 20:44:59 +00:00
drh
8784eca17f Fixes to json_each() and json_tree(). Improved json_parse() debugging output. 
FossilOrigin-Name: fc1b24f316af07a64672f6edc14ebcff487dffbb
 2015-08-23 02:42:30 +00:00
drh
bc8f092ca1 Add the json_valid() function to the json1.c extension. Fix various minor 
problems in the json1.c extension.

FossilOrigin-Name: 380a97345b446214843a63ccc017d49a52d884da
 2015-08-22 19:39:04 +00:00
drh
be9474ee05 Fix a couple instances of OOM handling in the json extension. 
FossilOrigin-Name: 213a6c5ccbcfe4495d45e3608e99a6398751aeed
 2015-08-22 03:05:54 +00:00
drh
38978dd4ed Do not apply the WHERE-clause pushdown optimization to terms that originate 
in the ON or USING clause of a LEFT JOIN.  Fix for ticket
[6df18e949d3676290].

FossilOrigin-Name: 351bc22fa9b5a2e50da3583a882c5aa390bda19f
 2015-08-22 01:32:29 +00:00
drh
1fa97b3ec8 Add extension functions for processing JSON. 
FossilOrigin-Name: 178f9a352c6c9e15e809e1a47530c6592d18578d
 2015-08-21 20:43:32 +00:00
drh
6fd5c1e0e8 Fixes for compiler warnings and errors in the makefiles. Rename the 
one test script to json101.test.

FossilOrigin-Name: 9ff6ccde5f26f18073587c320290570854ffc833
 2015-08-21 20:37:12 +00:00
drh
f28ed795db Change the name of the json loadable extension to "json1.c", in anticipation 
of having future major changes to the interface.

FossilOrigin-Name: d0d4bec9e3d8829a2d488f2742f1650214fa716a
 2015-08-21 20:12:43 +00:00
drh
4af352d47e Add the fullkey column to both json_each() and json_tree(). 
FossilOrigin-Name: 15dd99431e9ddd0fbdbb8dcc921687b0c6d26a29
 2015-08-21 20:02:48 +00:00
drh
b1b124d482 Merge header file fixes from trunk. 
FossilOrigin-Name: 7c2713e98ffb5f0d96eb7de9514eab43f0712011
 2015-08-21 19:56:45 +00:00