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24,283 Commits 1,607 Branches 185 Tags
5c118e3946b941ade486d10f4ec2f13efbecd76d
Commit Graph

704 Commits

Author SHA1 Message Date
drh
9057fc7c7f Remove the OP_RowKey opcode. Use OP_RowData in its place. 
FossilOrigin-Name: 6ac7b07a4aff2e1a9031289e3dafdb9ac0071c24
 2016-11-25 19:32:32 +00:00
drh
60ffc80756 Remove unnecessary OP_Close opcodes at the end of INSERT operations, resulting 
in smaller and faster code.

FossilOrigin-Name: abeddb6d5a4040e1d0a87a4f32ad79794ba0842b
 2016-11-21 21:33:46 +00:00
drh
c10b9dac84 Fix harmless compiler warnings. 
FossilOrigin-Name: b3b7b42d9a4a0e7e2be8b2933328a7bec2f49a81
 2016-11-20 17:59:59 +00:00
drh
c9b9deaee2 Make the VACUUM command about 9% faster by avoiding unnecessary calls 
to sqlite3BtreeMovetoUnpacked() while copying rowid tables.

FossilOrigin-Name: 5ed0bd387699a0f3b477d4f3cfcb460a6a44cb84
 2016-11-15 02:46:39 +00:00
drh
2adb878b1f Avoid unnecessary calls to sqlite3ExprCacheAffinityChange() when generating 
OP_MakeRecord opcodes that do not change any register affinities.

FossilOrigin-Name: e211c579b2f092e3283edd5fb9add7c5183bac35
 2016-11-14 15:28:56 +00:00
drh
d95ef5cb5a Remove obselete and unused logic in the update code generator. 
Fix the sqlite3BtreeMovetoUnpacked() routine so that it remembers the
rowid of the row that it landed on.

FossilOrigin-Name: 1a587d72f981cb7064cfd8916a52a83ad9ba6074
 2016-11-11 18:19:05 +00:00
drh
c6c9e158c5 When doing a REPLACE on a WITHOUT ROWID table with no secondary indexes, 
bypass the OP_NoConflict/OP_Delete sequence and directly overwrite any
preexisting row, for a performance increase.

FossilOrigin-Name: f7041cbb63b912f9ecad538804b6f2383efbec4e
 2016-11-10 17:01:36 +00:00
drh
bf2f5739c9 Remove C++ style comments. No code changes. 
FossilOrigin-Name: 42f8aa6231bf4ed74bebdc85aa79d23dc20b3c14
 2016-11-10 16:07:43 +00:00
drh
2c4dfc3095 Add the unpacked key fields to OP_IdxInsert for INSERT and UPDATE statements. 
FossilOrigin-Name: 67602e40f122cbb6354048a64c5d3a72b2855ec7
 2016-11-10 14:24:04 +00:00
drh
7405fa745e Fix a simple comment typo. No changes to code. 
FossilOrigin-Name: 51d0aed8d63d0710e4aa8925ff18cf3c45dc9e42
 2016-11-09 16:03:36 +00:00
drh
9b4eaebc68 Enhance the OP_IdxInsert opcode to optionally accept unpacked key material. 
FossilOrigin-Name: 89d958abbac45f2ca5954080cd9e74ec9a07ebb2
 2016-11-09 00:10:33 +00:00
dan
3b908d41a0 Avoid superfluous cursor seeks in "INSERT OR REPLACE" statements. 
FossilOrigin-Name: bec5b6d4d083556d111a89186b4f7b35b5e7cebf
 2016-11-08 19:22:32 +00:00
drh
1dd518cfcd Make sure the sqlite_sequence table is updated when an optional xfer 
optimization is used.  Fix for ticket [7b3328086a5c1].

FossilOrigin-Name: 81e4d4f897553f6fee540a38c3e83ceac5ba9b78
 2016-10-03 02:59:33 +00:00
drh
a0daa751f8 Fix SQLITE_OMIT_AUTHORIZATION so that it compiles cleanly. 
FossilOrigin-Name: a3e3b3e1c57178ccd38fc7375ec1de8e8ae45372
 2016-09-16 11:53:10 +00:00
dan
61441c3493 Fix a problem in internal function sqlite3OpenTableAndIndices causing an operand of an unrelated VM instruction to be overwritten. Fix for [ef360601]. 
FossilOrigin-Name: 7090147903337864d54ecfb2cd84a3f823973167
 2016-08-26 12:00:50 +00:00
drh
9ef5e7708a Add the capability to VACUUM an attached database by specifying the schema 
name as an argument to the VACUUM command.  Since version 2.0, VACUUM has
accepted an argument which was silently ignored.  Now it has meaning.

FossilOrigin-Name: 29d63059b4d2bb612523ac55ebfef040d054a64f
 2016-08-19 14:20:56 +00:00
drh
69c338263a Rename the Db.zName field to Db.zDbSName to make it more descriptive and to 
distinguish it from all of the other "zName" variables scattered throughout
the code.

FossilOrigin-Name: 92a22f01343a898455fd61c3b8e7d7c954f5b569
 2016-08-18 14:33:11 +00:00
drh
2606aca80f Merge recent enhancements from trunk. Default page size is 4096. Writes 
to statement journals are avoided.

FossilOrigin-Name: 456df3365e2df60e34762f2024bb551538b3f72b
 2016-03-04 16:42:43 +00:00
drh
94fa9c414a Eliminate the need for the Column.zDflt (using Column.pDflt instead) to reduce 
the amount of memory needed to hold the schema.

FossilOrigin-Name: d8c94a46dfa94930732c2de2aa79675c5087d36e
 2016-02-27 21:16:04 +00:00
drh
d8b7d6e44c Merge the changes for the 3.11.0 release candidate from trunk. 
FossilOrigin-Name: 4d7a802e73ef0352f840bc8d74c560afb7666ff7
 2016-02-13 14:07:56 +00:00
drh
05723a9e3c Add testcase() macros to the CHECK constraint avoidance logic. Avoid creating 
an unused VDBE label during CHECK constraint code generation.

FossilOrigin-Name: 970881befd5da6cc837c474d6e917de0bf029350
 2016-02-10 19:10:50 +00:00
drh
98bfa16db2 Fix to previous check-in: Make sure CHECK constraints involving the ROWID 
are not ignored when the ROWID changes.

FossilOrigin-Name: 7782cb1dd5914b867caf5ff2f0f837407abbfd7a
 2016-02-10 18:24:05 +00:00
drh
2a0b527b37 Omit unnecessary CHECK constraints in UPDATE statements, when none of the 
columns referenced in the CHECK constraint are modified.

FossilOrigin-Name: 02fbdbc782dd98f080bf4482d820f36c0ef3d519
 2016-02-10 16:52:24 +00:00
drh
bdb00225ab Omit NOT NULL checks on unchanging columns in an UPDATE. 
FossilOrigin-Name: 6a3aaedfb41735996470abbae6d3cd1be1f508b3
 2016-02-10 16:03:20 +00:00
drh
1a606f8246 Merge enhancements and fixes from trunk. 
FossilOrigin-Name: f040a5bb62f3473fba6450c97c68f538d1df21ef
 2016-02-09 15:44:18 +00:00
drh
2fade2f791 Make sure every co-routines has its own set of temporary registers and does 
not share temporaries, since a co-routine might expect the content of a
temporary register to be preserved across an OP_Yield.
Proposed fix for ticket [d06a25c84454a].

FossilOrigin-Name: ca72be8618e5d466d6f35819ca8bbd2b84269959
 2016-02-09 02:12:20 +00:00
drh
0ac7cfaf99 Merge enhancements from trunk. 
FossilOrigin-Name: a533608cb0de3cbc1e28a794aab99864b8c249f4
 2016-02-05 14:15:34 +00:00
drh
575fad6500 Add the slightly faster sqlite3DbMallocRawNN(db,n) routine for the majority 
cases where db is guaranteed to be not NULL.

FossilOrigin-Name: 0a802e96ab06e2643834b83671fa8353da1a348d
 2016-02-05 13:38:36 +00:00
drh
4a642b6060 Improvements to the way that OOM errors are processed. 
FossilOrigin-Name: c3ef03478a5788c855b3aef385d43ae7f494f440
 2016-02-05 01:55:27 +00:00
drh
1b32554b80 Enhance the internal sqlite3VdbeAddOpList() interface to automatically update 
jump destinations.  Use this feature to simplify the AUTOINCREMENT code
generator.

FossilOrigin-Name: ae8b9d2edf1b5aef6108e729754911db7682b6a3
 2016-02-03 01:55:44 +00:00
drh
33c1eb6477 Merge all recent enhancements from trunk. 
FossilOrigin-Name: f3f9200115caf4b356f90ec97c351d1afbcb9bf6
 2016-02-02 02:22:30 +00:00
drh
b89aeb6aa2 Add assert() statements on the nExtraDelete variable in vdbe.c to try to verify 
that the FORDELETE and IDXDELETE flags are being generated correctly.  Those
flags are not currently generated correctly, and so the assert()s trip on this
check-in.

FossilOrigin-Name: dde1db0dd2e2cf04706117629756c352b178ebb8
 2016-01-27 15:49:32 +00:00
drh
20f272c96f Merge recent enhancements from trunk. 
FossilOrigin-Name: 327af5f644a49b2f41d5456958f9d61a2b704e1c
 2016-01-20 11:33:37 +00:00
drh
9b34abee30 Use sqlite3VdbeAddOp4() rather than a separate sqlite3VdbeChangeP4() call, for 
a slightly smaller and faster binary.

FossilOrigin-Name: a4258cd4613c55acacb5c7b61faa3de7eb0759d2
 2016-01-16 15:12:35 +00:00
drh
8de1d77c60 Merge the latest enhancements from trunk. 
FossilOrigin-Name: c0be246a740c8f33a7c07e1414688364dee56ece
 2016-01-01 13:25:06 +00:00
drh
f19aa5fa6f Changes to the way that the default BINARY collating sequence is recorded 
result in a slightly smaller and slightly faster executable.  More work could
be done to make this cleaner.

FossilOrigin-Name: 2081d75767dc590b4c8457e5f8e5f18ba5f8eaa7
 2015-12-30 16:51:20 +00:00
drh
0472af91ec Simplification to the xfer-optimization logic. 
FossilOrigin-Name: f35ba018da843897acca58f70541b940598bc271
 2015-12-30 15:18:16 +00:00
drh
1c75c9d7f1 Ensure that the Expr objects that describe indexed expressions are not modified 
by code generation.  Fix for an assert() problem found by Jon Metzman using AFL.

FossilOrigin-Name: 34073ce87d88a02313217023ae92e15939192cd9
 2015-12-21 15:22:13 +00:00
drh
769dc6e2a2 Merge the latest enhancements from trunk. 
FossilOrigin-Name: 7d6cfc79e7e5534ebacd980479917bc528a638f7
 2015-11-19 19:40:40 +00:00
dan
aaea31439d Fix a problem with VACUUM and __hidden__ columns. 
FossilOrigin-Name: 13995756ad8b80568aa2f74387788a8cab1123ef
 2015-11-19 18:09:05 +00:00
dan
ba68f8f3f5 Fix problems with INSERT INTO ... SELECT ... statements that write to tables with __hidden__ columns. 
FossilOrigin-Name: 59bd0ec7d4327852ee8c0206b2c59d0a12484db8
 2015-11-19 16:46:46 +00:00
drh
1a1d3cd2f3 Create the new TK_ASTERISK token to represent the "*" in "SELECT *". Formerly 
that operator was TK_ALL, which was also used for UNION ALL.  Less confusion if
they operator symbols are distinct.

FossilOrigin-Name: 201ac6d449431dadc6b29faecd68b559bd64bc9f
 2015-11-19 16:33:31 +00:00
drh
03d69a6826 Only support the magic "__hidden__" column name prefix interpretation when 
compiled with SQLITE_ENABLE_HIDDEN_COLUMNS.

FossilOrigin-Name: 5490646b2eb74ea8bd5ab2690f69b9c707a0165f
 2015-11-19 13:53:57 +00:00
drh
b1daa3f469 Get the __hidden__ column mechanism working on views with INSTEAD OF triggers. 
FossilOrigin-Name: 20c1e9ce75cc0b5f7456379f35a4fe24edd98088
 2015-11-18 21:22:02 +00:00
drh
f0c9145a36 If a table column name begins with "__hidden__" then do not include that 
column in "*" expansions in SELECT statements, nor fill in that column in
an INSERT INTO that omits the column list.  <b>This branch is a 
proof-of-concept only and is not intended to ever be merged into trunk.</b>

FossilOrigin-Name: 2dbffb3a3b20dba7d7d86c8ad2e34633f616c78a
 2015-11-18 18:43:15 +00:00
drh
d286b9fb7d Merge all the latest enhancements from trunk. 
FossilOrigin-Name: 395a153ff7b3c7a72f3d02b6fe76d72383f4e480
 2015-10-30 16:50:00 +00:00
dan
fd261ec67e Modifications to pass a flag to internal routine sqlite3BtreeCursor() when a cursor that is used solely for deleting b-tree entries, or for obtaining the components of keys to delete from other b-trees, is opened. 
FossilOrigin-Name: cdc92919e600007cae5eb61223684f48a65babc0
 2015-10-22 20:54:33 +00:00
drh
fed7ac6f04 Add the OP_IntCopy opcode - an optimized version of OP_SCopy that only works 
for integer values.

FossilOrigin-Name: 3a2f73a4924860fde8ee41ad646e7a02d29ad9d5
 2015-10-15 18:04:59 +00:00
drh
4918480252 Pull in the latest 3.9.0 tweaks from trunk. 
FossilOrigin-Name: ed174ccf0ae615647ba026fed649d26dc9a98640
 2015-10-10 20:35:10 +00:00
drh
728e0f91bb Compiler warning fixes: Rename some local variables from "j1" to avoid a 
name collision with the j1() bessel function in the math library.  Omit a
dummy initializer that gcc 4.6.3 does not like.

FossilOrigin-Name: 9ddef84d432813f3ece8012047d08441caa3315d
 2015-10-10 14:41:28 +00:00