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19 Commits

Author SHA1 Message Date
drh
a7382d3523 Under Tcl9, the %x format letter truncates to 32-bits. Must use %llx in order 
to get a 64-bit rendering.

FossilOrigin-Name: a3044e0ae65c099d76bf04536e223e70d89971688627c342252951f6c65f49d1
 2024-07-31 19:56:14 +00:00
dan
eb5bd4db91 Fix a theoretical OOB memory access in sqlite3_stmt_scanstatus_v2(). 
FossilOrigin-Name: 87be9580747b405c2c534beadb0f95cee0d4f34e0245f90e157a6b7ada38e092
 2024-03-25 18:30:15 +00:00
drh
a35a54b824 Adjust an EXPLAIN QUERY PLAN output in scanstatus2.test to account for a 
different loop order taken due to the removal of the view-scan optimization.

FossilOrigin-Name: 9deb8b6915e794bf9c5de88f2727ef9857351eaf905f8ab56754bc4d399c88b4
 2023-10-21 11:43:54 +00:00
drh
d5e040b6f0 Add string_agg(X,Y) as an alias for group_concat(X,Y), for compatibility 
with SQLServer and PG.

FossilOrigin-Name: b91c19bf2680f60d7826ab5d9e7902e2dc2a55d847bbea565a6489d47f2cc8f1
 2023-10-20 20:19:30 +00:00
dan
4cd3a59a79 Improve support for sqlite3_stmt_scanstatus_v2() profiling of sub-queries implemented as co-routines. 
FossilOrigin-Name: 4e8718dc35dbbaf75f17265a88d14acd9750dc75efbadf41377f9c97e732009c
 2023-06-30 18:23:53 +00:00
dan
07d76f7b95 Add support for sqlite3_stmt_scanstatus_v2() profiling of GROUP BY clauses that use a temp b-tree. 
FossilOrigin-Name: 796eadcc50e7ea9ec348b1f7e2d6a5a3de78c675a07f665078309e6d81479e7d
 2023-06-30 17:14:36 +00:00
dan
7b56e97866 Fix a problem with sqlite3_stmt_scanstatus() from within an SQLITE_TRACE_STMT callback made from within a trigger. 
FossilOrigin-Name: 1fa78fafa1340de458546526b03cf8b3e9c823913c4225d7c747ad182df5c0fc
 2023-03-29 18:54:01 +00:00
dan
06382de2a3 Change the name of SQLITE_DBCONFIG_STMT_SCANSTATS to SQLITE_DBCONFIG_STMT_SCANSTATUS. 
FossilOrigin-Name: a63e4a150b505fc309fac847131009ee9965eb1b798ebcb202ec8b52f9189240
 2023-02-28 20:04:01 +00:00
dan
45163fc45e Add an sqlite3_db_config() option - SQLITE_DBCONFIG_STMT_SCANSTATS - for enabling and disabling the collection of sqlite3_stmt_scanstats() statistics in SQLITE_ENABLE_STMT_SCANSTATUS builds. Collection of statistics is disabled by default. 
FossilOrigin-Name: 0f5579bef27b84ee855065cfe87703c51e1f9773906a9e0d4e4dafc90bd0e553
 2023-02-28 19:39:59 +00:00
dan
ee18659f69 Fix a formatting problem in scanstatus2.test introduced by [81c118d9]. 
FossilOrigin-Name: 928ab40edbf11c02b3f03e660051d9587243002b9220adc77f972c3758c12b19
 2023-02-06 13:36:34 +00:00
dan
e734207a79 Fix some test scripts that were failing with SQLITE_OMIT_VIRTUALTABLE builds. 
FossilOrigin-Name: 81c118d90b281b30f40b3eeefaeb2c8350aa40080b4fe7de8f21d263986c6acb
 2023-02-06 10:47:57 +00:00
dan
8b58fbf5ee Update a test case in scanstatus2.test to account for recent planner enhancements. 
FossilOrigin-Name: 53e07dc6b6521bb7757d0bc2cf12a501bb929afafdb16737058496afca8e6742
 2022-12-15 11:39:12 +00:00
dan
f2cc3387f7 Have sqlite3_stmt_scanstatus() report cycle, loop and row counts separately for creating an automatic index and using that automatic index. 
FossilOrigin-Name: 3bc9df82ea5b0fb085c56a326a65e19c9baf98d48d8fa6344c0d7004747594ba
 2022-12-07 17:29:17 +00:00
dan
2adb309ead Have sqlite3_stmt_scanstatus_v2() return an NCYCLE value for all loops, not just virtual tables ones. The value returned is the sum of the NCYCLE counts for the various opcodes that move or read data from the table or index cursor associated with the loop. 
FossilOrigin-Name: 9499b2f51e8174c6b8a67840c92ba23b7dd1dc8dc2b91fca0c5dc07b71662149
 2022-12-06 18:48:06 +00:00
dan
d2db31c971 Enhance the sqlite3_stmt_scanstatus() API and add sqlite3_stmt_scanstatus_v2(). For creation of enhanced query performance reports. 
FossilOrigin-Name: 4893b4e3eafc7c9c22b24717f90a585862203f987cf108b079ce6e946093e675
 2022-12-05 19:16:23 +00:00
dan
a3d0c158a0 Add loops and rows counters to "USE TEMP B-TREE FOR ORDER BY" records. Also fix the sqliteHwtime() function so that it returns a 64-bit value. 
FossilOrigin-Name: 41a0e05e8c0fca3b803fe4bd017a157c172b2ca518356a2a4d4ed4f12d01a1e3
 2022-12-05 18:19:56 +00:00
dan
ad23a47acd Enhance SQLITE_SCANSTAT_NCYCLE so that it reports on virtual tables. 
FossilOrigin-Name: 622d8eb3724bee617b55d6fb71f1a2d683db6858065adced6bf3ce9525bcd6b5
 2022-12-03 21:24:26 +00:00
dan
f6f01f15dd Add CYCLES scanstat measurement to "USE TEMP B-TREE FOR ORDER BY" lines. 
FossilOrigin-Name: 365011ae8b7e3fcaa2c4ea9601231a3ef2223e60d7a53ec33013109dca22ad58
 2022-12-03 18:16:25 +00:00
dan
231ff4b027 Enhance the sqlite3_stmt_scanstatus() API and add sqlite3_stmt_scanstatus_v2(). For creation of easier to read query performance reports. 
FossilOrigin-Name: 55800833645739efeddcacef464c623931cb6aeb43f4219b4e4faf473c25c8bb
 2022-12-02 20:32:22 +00:00