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git.ipfire.org Git - thirdparty/sqlite.git/log
drh [Fri, 16 Dec 2016 04:20:27 +0000 (04:20 +0000)]
Fix an error in the way the "schema" argument to some pragma virtual tables
is handled.
FossilOrigin-Name:
546821e29edb0282a4b1d8f49512e36027a6bf6d
drh [Fri, 16 Dec 2016 02:31:50 +0000 (02:31 +0000)]
Simplifications to facilitate full test coverage.
FossilOrigin-Name:
01afc515970a868c6a36d9a598453d0fde9e39ca
drh [Fri, 16 Dec 2016 02:14:15 +0000 (02:14 +0000)]
Minor bug fixes and enhancements to the pragma eponymous virtual tables.
FossilOrigin-Name:
3f8f461504139a4efea0e033e3a274cc4b2d3072
drh [Fri, 16 Dec 2016 01:09:22 +0000 (01:09 +0000)]
Merge enhancements from trunk, and especially the ability to use
temp.sqlite_master as an alias for sqlite_temp_master.
FossilOrigin-Name:
994a4401f5c34fed17af420761291b03072a5ea1
drh [Fri, 16 Dec 2016 01:00:21 +0000 (01:00 +0000)]
All temp.sqlite_master to be used as an alias for sqlite_temp_master.
FossilOrigin-Name:
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drh [Thu, 15 Dec 2016 21:33:55 +0000 (21:33 +0000)]
Fix the cost estimation in the BestIndex method of the eponymous pragma
virtual table implementation.
FossilOrigin-Name:
7126807a186746a8663fbaa267d63214d06476e4
drh [Thu, 15 Dec 2016 21:11:15 +0000 (21:11 +0000)]
The pragma as eponymous virtual table mechanism now appears to work.
FossilOrigin-Name:
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drh [Thu, 15 Dec 2016 20:59:03 +0000 (20:59 +0000)]
Code to automatically create eponymous virtual tables for read-only pragmas.
Compiles, but does not yet work.
FossilOrigin-Name:
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drh [Thu, 15 Dec 2016 18:59:14 +0000 (18:59 +0000)]
Do exponential rather than linear expansion of the SrcList.a array when
appending new elements, to reduce the number of malloc() calls.
FossilOrigin-Name:
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drh [Thu, 15 Dec 2016 16:01:17 +0000 (16:01 +0000)]
Do more pragma processing from tables rather than in-line code.
FossilOrigin-Name:
a88ca3524b97f296dffc68335466b3767a681747
drh [Wed, 14 Dec 2016 14:07:35 +0000 (14:07 +0000)]
Refactor the Table.nRef field as Table.nTabRef for easier grepping.
FossilOrigin-Name:
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drh [Wed, 14 Dec 2016 13:54:25 +0000 (13:54 +0000)]
Increase the size of the reference count on Table objects to 32 bits.
FossilOrigin-Name:
d08b72c38ff6fae6ddf7dc84a54f6d7189876289
drh [Wed, 14 Dec 2016 11:39:52 +0000 (11:39 +0000)]
Fix the configure makefile to align it with the manual makefile. Unsaved
changes from the previous check-in.
FossilOrigin-Name:
00a184b65f73f361e1728fea06529f746fab66b5
drh [Wed, 14 Dec 2016 11:23:51 +0000 (11:23 +0000)]
Adjust the unix makefiles so that "make test" runs fuzzcheck prior to even
attempting to build the other test programs.
FossilOrigin-Name:
bb48f7a55945da4cee369bae0809037900fcaac7
drh [Wed, 14 Dec 2016 11:14:13 +0000 (11:14 +0000)]
Three times faster sqlite3SrcListAppend() in the common case by avoiding the
call to sqlite3SrcListEnlarge() for the first allocation.
FossilOrigin-Name:
0ea2762f1d8f6a93ae2ee3b7b835927a474c6f66
drh [Wed, 14 Dec 2016 10:30:12 +0000 (10:30 +0000)]
Fix the optimization that prevents writing freelist pages to the journal.
FossilOrigin-Name:
6aa9b26544cbd0b41115c5f127dcf9a286d17e2b
drh [Tue, 13 Dec 2016 23:22:39 +0000 (23:22 +0000)]
In the command-line shell, in the output of the ".dump", ".schema", and
".fullschema" commands, convert CREATE TABLE statements that appear to come
from shadow tables into CREATE TABLE IF NOT EXISTS statements.
FossilOrigin-Name:
c7021960f5c070fb5c9db9e41b4000d3dc065f42
drh [Tue, 13 Dec 2016 20:30:29 +0000 (20:30 +0000)]
Fix harmless compiler warnings.
FossilOrigin-Name:
ed2c9f3738c96d8e3dbece7ccb721cb1a8ae8fac
drh [Tue, 13 Dec 2016 18:47:54 +0000 (18:47 +0000)]
Convert sqlite3PagerGet() into a pointer-dispatched virtual method. This
makes it about 25% faster.
FossilOrigin-Name:
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drh [Tue, 13 Dec 2016 18:34:01 +0000 (18:34 +0000)]
In the pager, avoid checking for the illegal page number 0 except when creating
a new page.
FossilOrigin-Name:
dee20ba982125ea98c280ad1571789af0f393903
dan [Tue, 13 Dec 2016 16:57:49 +0000 (16:57 +0000)]
Fix a problem causing SQLite to return false "foreign key violation" errors
when there is a partial (i.e. WHERE constrained) UNIQUE index on the parent
key columns. This bug did not cause SQLite to allow illegal data to be
inserted into the database, only to reject legal operations.
FossilOrigin-Name:
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drh [Tue, 13 Dec 2016 15:53:22 +0000 (15:53 +0000)]
Further refinements to the virtual method implementation of
sqlite3PagerGet().
FossilOrigin-Name:
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drh [Tue, 13 Dec 2016 14:32:47 +0000 (14:32 +0000)]
Make the sqlite3PagerGet() interface into a virtual method, with different
implementations based on the current state of the pager. This gives a small
performance increase by avoiding unnecessary branches inside the various
methods.
FossilOrigin-Name:
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drh [Mon, 12 Dec 2016 23:24:08 +0000 (23:24 +0000)]
Add the --mmap option to the speedtest1 program and to the speed-check.sh
script that is frequently used to run speedtest1.
FossilOrigin-Name:
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drh [Mon, 12 Dec 2016 18:12:03 +0000 (18:12 +0000)]
Remove unnecessary MemPage initialization resets in the autovacuum ptrmap
processing.
FossilOrigin-Name:
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drh [Mon, 12 Dec 2016 16:08:44 +0000 (16:08 +0000)]
Faster operation for large in-memory databases.
FossilOrigin-Name:
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drh [Mon, 12 Dec 2016 11:05:15 +0000 (11:05 +0000)]
Performance optimization in sqlite3PagerWrite().
FossilOrigin-Name:
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drh [Mon, 12 Dec 2016 01:53:36 +0000 (01:53 +0000)]
Updates to the tokenizer for EBCDIC. No changes for standard builds.
FossilOrigin-Name:
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drh [Mon, 12 Dec 2016 01:30:01 +0000 (01:30 +0000)]
Size and performance optimization in btreeInitPage() in the freeblock
validation step.
FossilOrigin-Name:
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drh [Mon, 12 Dec 2016 00:58:40 +0000 (00:58 +0000)]
Change the order of comparison for divider cell overflow in balance non-root
to avoid a (harmless) reference to an uninitialized variable.
FossilOrigin-Name:
f9f2e23bbd68a8994621623446868d666df52eff
drh [Sat, 10 Dec 2016 13:12:55 +0000 (13:12 +0000)]
Avoid an unnecessary memset() in the sqlite3BtreeInsert() routine.
FossilOrigin-Name:
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drh [Sat, 10 Dec 2016 12:58:15 +0000 (12:58 +0000)]
Reorder the fields in the VdbeCursor object so that those that need to be
bulk zeroed on allocation are grouped at the beginning, and the memset()
only runs over those fields that really need it.
FossilOrigin-Name:
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drh [Sat, 10 Dec 2016 04:06:49 +0000 (04:06 +0000)]
Avoid signed integer overflow when dealing with a LIMIT and OFFSET whose
sum exceeds the maximum integer value.
FossilOrigin-Name:
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drh [Fri, 9 Dec 2016 19:42:18 +0000 (19:42 +0000)]
When doing the sqlite3BtreeInsert() overwrite optimization, make sure the
memcpy() does not extend off the end of the page.
FossilOrigin-Name:
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drh [Fri, 9 Dec 2016 18:09:42 +0000 (18:09 +0000)]
Additional comments and an assert on the sqlite3BtreeInsert() overwrite
optimization.
FossilOrigin-Name:
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drh [Fri, 9 Dec 2016 17:32:51 +0000 (17:32 +0000)]
In sqlite3BtreeInsert() when replacing a re-existing row, try to overwrite
the cell directly rather than deallocate and reallocate the cell.
FossilOrigin-Name:
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dan [Fri, 9 Dec 2016 16:12:04 +0000 (16:12 +0000)]
Fix an fts5 bug that could cause a crash following an OOM error or
sqlite3_interrupt() interrupt.
FossilOrigin-Name:
0ea3ece988883874bb88e3daaa220d7fc0cf36ef
drh [Fri, 9 Dec 2016 16:02:00 +0000 (16:02 +0000)]
Avoid unnecessary zeroing of fields in the MemPage object that are going
to be reinitialized before use anyhow. A smaller and faster binary results.
FossilOrigin-Name:
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drh [Fri, 9 Dec 2016 00:15:17 +0000 (00:15 +0000)]
Fix an obscure problem in range estimation with STAT4.
FossilOrigin-Name:
1f16c9a76bc48331799f33b30d143c632fe0e7db
drh [Thu, 8 Dec 2016 23:52:38 +0000 (23:52 +0000)]
Fix the showstat4 utility program so that is displays strings using
standard SQL notation (single quotes) rather than C-style notation.
FossilOrigin-Name:
92998e4afbe4da1723e7e5155071a0e7242bd6ff
drh [Thu, 8 Dec 2016 19:04:36 +0000 (19:04 +0000)]
Fix a minor error in the cg_anno.tcl script causing the cycles-per-file counts
to be miscomputed.
FossilOrigin-Name:
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drh [Thu, 8 Dec 2016 18:36:19 +0000 (18:36 +0000)]
Update the tool/cg_anno.tcl script to give a summary of cycle counts by
canonical source file name.
FossilOrigin-Name:
254a83bf30c15d6a355db309ccb97a8744675cc3
drh [Thu, 8 Dec 2016 01:38:24 +0000 (01:38 +0000)]
More changes to take advantage of the sqlite3VdbeAppendP4() method.
FossilOrigin-Name:
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drh [Wed, 7 Dec 2016 21:35:55 +0000 (21:35 +0000)]
Add the sqlite3VdbeAppendP4() method for adding P4 content to the most recently
coded instruction.
FossilOrigin-Name:
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drh [Wed, 7 Dec 2016 20:22:31 +0000 (20:22 +0000)]
The use P4_DYNAMIC in place of the P4_MPRINTF operand type.
FossilOrigin-Name:
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drh [Wed, 7 Dec 2016 20:09:51 +0000 (20:09 +0000)]
Performance optimization for sqlite3VdbeAddOp4().
FossilOrigin-Name:
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drh [Wed, 7 Dec 2016 17:06:12 +0000 (17:06 +0000)]
Put the SQLITE_UNTESTABLE compile-time option in the correct order for
PRAGMA compile_options.
FossilOrigin-Name:
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drh [Wed, 7 Dec 2016 15:49:02 +0000 (15:49 +0000)]
Rename the SQLITE_OMIT_BUILTIN_TEST compile-time option to SQLITE_UNTESTABLE.
FossilOrigin-Name:
f360818737e73ee4f944685a547abc8f14f47819
dan [Wed, 7 Dec 2016 15:38:37 +0000 (15:38 +0000)]
Prevent the flattening or where-term push-down optimizations from obscuring
misuses of SQL row values that can lead to crashes or assert() failures.
FossilOrigin-Name:
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drh [Wed, 7 Dec 2016 13:49:11 +0000 (13:49 +0000)]
Always honor the sqlite3.dbOptFlags bitmask, regardless of compile-time
options. Continuing fix for ticket [
da78413751863 ].
FossilOrigin-Name:
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drh [Tue, 6 Dec 2016 22:47:23 +0000 (22:47 +0000)]
Performance improvement and size reduction in the Expr node allocator
function sqlite3PExpr().
FossilOrigin-Name:
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dan [Tue, 6 Dec 2016 19:33:42 +0000 (19:33 +0000)]
Add missing nul-terminator to a Tcl_AppendResult() call in tclsqlite.c.
FossilOrigin-Name:
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drh [Tue, 6 Dec 2016 17:59:05 +0000 (17:59 +0000)]
In the LEMON parser-generator, fix the stack overflow processing so that it
correct invokes the destructor on the top-level of the parse stack.
FossilOrigin-Name:
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drh [Mon, 5 Dec 2016 20:16:04 +0000 (20:16 +0000)]
Fix a harmless redundant local variable declaration in the date/time function
logic.
FossilOrigin-Name:
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drh [Mon, 5 Dec 2016 20:06:45 +0000 (20:06 +0000)]
Work around a bug in the definition of "ino_t" on some versions of Android.
FossilOrigin-Name:
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drh [Fri, 2 Dec 2016 19:07:03 +0000 (19:07 +0000)]
Simplify the date/time function logic for improved rebustness and also to
decrease the size of the binary.
FossilOrigin-Name:
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drh [Fri, 2 Dec 2016 17:08:27 +0000 (17:08 +0000)]
Extend the valid range of 'unixepoch' dates from JulianDay 0 through 9999-12-31.
FossilOrigin-Name:
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drh [Fri, 2 Dec 2016 02:19:24 +0000 (02:19 +0000)]
Test cases for the improved LIKE/GLOB matcher.
FossilOrigin-Name:
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dan [Thu, 1 Dec 2016 19:58:01 +0000 (19:58 +0000)]
Avoid clearing the EP_FromJoin flag from terms in ON clauses when flattening
sub-selects. Possible fix for [
2df0107b ].
FossilOrigin-Name:
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dan [Thu, 1 Dec 2016 19:38:05 +0000 (19:38 +0000)]
Avoid clearing the EP_FromJoin flag from terms in ON clauses when flattening
sub-selects. Possible fix for [
2df0107b ].
FossilOrigin-Name:
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drh [Thu, 1 Dec 2016 18:57:58 +0000 (18:57 +0000)]
Performance improvement for GLOB and LIKE matching for patterns with two
or more multi-character wildcards ("*" or "%").
FossilOrigin-Name:
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drh [Thu, 1 Dec 2016 18:49:40 +0000 (18:49 +0000)]
Faster version of patternCompare() that uses new return values rather than
an extra parameter to communicate wildcard information back up to parent
searches.
FossilOrigin-Name:
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dan [Thu, 1 Dec 2016 17:34:59 +0000 (17:34 +0000)]
Modify the patternCompare() function (used for GLOB, LIKE) to better handle
patterns containing multiple wildcard characters ("*", "%").
FossilOrigin-Name:
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drh [Wed, 30 Nov 2016 16:54:52 +0000 (16:54 +0000)]
Add the remember(V,PTR) extension function which copies an SQL value into
an application variable.
FossilOrigin-Name:
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drh [Wed, 30 Nov 2016 14:47:37 +0000 (14:47 +0000)]
Fix then handling of the (oversized) integer literal -0x8000000000000000.
FossilOrigin-Name:
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drh [Wed, 30 Nov 2016 05:08:59 +0000 (05:08 +0000)]
Change the OP_DecrJumpZero opcode back to its old behavior of always
decrementing, except top the decrementing when it reaches the largest negative
number.
FossilOrigin-Name:
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drh [Wed, 30 Nov 2016 04:07:57 +0000 (04:07 +0000)]
More improvements to boundary cases in the date/time functions, flowing out
of branch coverage testing.
FossilOrigin-Name:
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drh [Wed, 30 Nov 2016 01:05:41 +0000 (01:05 +0000)]
Prevent a warning about integer overflow when using a very large negative
LIMIT.
FossilOrigin-Name:
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drh [Wed, 30 Nov 2016 00:48:28 +0000 (00:48 +0000)]
Further changes to the date/time functions to suppress harmless signed
integer overflow warnings that could have occurred when doing out-of-range
date calculations which, according to the docs, give undefined results.
FossilOrigin-Name:
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drh [Tue, 29 Nov 2016 20:39:48 +0000 (20:39 +0000)]
The documentation says that the built-in date-time functions give undefined
results for dates before 0000-01-01 and after 9999-12-31. Change the
actually implementation so that the answer given is really NULL. This also
avoids unnecessary hand-wringing over an signed integer overflow that might
otherwise occur when processing out-of-bound dates.
FossilOrigin-Name:
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drh [Mon, 28 Nov 2016 21:22:26 +0000 (21:22 +0000)]
Fix broken hyperlinks to the sqlite3_snapshot objection definition
in the documentation. No changes to code.
FossilOrigin-Name:
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dan [Mon, 28 Nov 2016 14:52:23 +0000 (14:52 +0000)]
Simplify some code in fts5_expr.c. Add some extra test cases for the same.
FossilOrigin-Name:
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drh [Sat, 26 Nov 2016 19:44:40 +0000 (19:44 +0000)]
Add the sqlite3_snapshot_recover() interface and related functionality.
FossilOrigin-Name:
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drh [Fri, 25 Nov 2016 20:20:40 +0000 (20:20 +0000)]
Clarification of the behavior of sqlite3_stmt_readonly() on BEGIN IMMEDIATE
statements. The is comment changes only - no changes to code.
FossilOrigin-Name:
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drh [Fri, 25 Nov 2016 19:32:32 +0000 (19:32 +0000)]
Remove the OP_RowKey opcode. Use OP_RowData in its place.
FossilOrigin-Name:
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drh [Fri, 25 Nov 2016 19:18:28 +0000 (19:18 +0000)]
Refactor the sqlite3BtreeKey() and sqlite3BtreeData() internal interfaces
into sqlite3BtreePayload() and sqlite3BtreePayloadChecked(), respectively.
This is a continuation of the optimization started by check-in
[
2d831074cf ]. The result is a slightly smaller and faster binary.
FossilOrigin-Name:
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drh [Fri, 25 Nov 2016 17:03:03 +0000 (17:03 +0000)]
Small performance increase and size reduction in the OP_Column opcode.
FossilOrigin-Name:
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drh [Fri, 25 Nov 2016 15:47:53 +0000 (15:47 +0000)]
Performance enhancement to sqlite3_snprintf().
FossilOrigin-Name:
c53dca7fadd81ea340fef776373cbb122c9ccd46
drh [Fri, 25 Nov 2016 15:11:26 +0000 (15:11 +0000)]
Performance improvement in sqlite3StrAccumFinish() for the common case where
no memory allocation is required.
FossilOrigin-Name:
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drh [Fri, 25 Nov 2016 14:30:42 +0000 (14:30 +0000)]
Add a comment to help clarify the EP_FromJoin hack in exprCodeBetween().
FossilOrigin-Name:
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drh [Wed, 23 Nov 2016 23:18:45 +0000 (23:18 +0000)]
Fix the error message for invalid ".mode" arguments in the command-line shell,
so that it mentions the new "quote" mode.
FossilOrigin-Name:
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dan [Wed, 23 Nov 2016 19:31:18 +0000 (19:31 +0000)]
Code constant vector components outside of any loops in CASE and BETWEEN
expressions. Fix for [
1a684656 ].
FossilOrigin-Name:
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drh [Wed, 23 Nov 2016 14:19:11 +0000 (14:19 +0000)]
Correctly display the names of SQL functions in the VDBE_PROFILE output.
FossilOrigin-Name:
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drh [Tue, 22 Nov 2016 22:23:56 +0000 (22:23 +0000)]
Merge bug fixes and enhancements from trunk.
FossilOrigin-Name:
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drh [Tue, 22 Nov 2016 21:11:59 +0000 (21:11 +0000)]
Enclose the sqlite3WalSnapshotRecover() routine within
FossilOrigin-Name:
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drh [Tue, 22 Nov 2016 20:29:05 +0000 (20:29 +0000)]
Add a new requirement mark for CAST expressions.
FossilOrigin-Name:
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drh [Tue, 22 Nov 2016 19:15:05 +0000 (19:15 +0000)]
Update requirement marks to reflect changes in wording in the documentation.
No changes to code.
FossilOrigin-Name:
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drh [Tue, 22 Nov 2016 01:26:42 +0000 (01:26 +0000)]
Remove unnecessary OP_Close opcodes for a size reduction and performance
increase.
FossilOrigin-Name:
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drh [Mon, 21 Nov 2016 21:33:46 +0000 (21:33 +0000)]
Remove unnecessary OP_Close opcodes at the end of INSERT operations, resulting
in smaller and faster code.
FossilOrigin-Name:
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drh [Mon, 21 Nov 2016 18:15:35 +0000 (18:15 +0000)]
Enhance speedtest1.c so that is works on older versions of SQLite, before
the introduction of the group_concat() aggregate function.
FossilOrigin-Name:
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drh [Sun, 20 Nov 2016 17:59:59 +0000 (17:59 +0000)]
Fix harmless compiler warnings.
FossilOrigin-Name:
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drh [Sun, 20 Nov 2016 12:00:27 +0000 (12:00 +0000)]
Prevent a possible use-after-free bug in the query optimizer.
FossilOrigin-Name:
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dan [Sat, 19 Nov 2016 18:31:37 +0000 (18:31 +0000)]
Remove the requirement to open the wal file before sqlite3_snapshot_recover()
is called. Also add some comments to new functions.
FossilOrigin-Name:
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dan [Sat, 19 Nov 2016 17:30:57 +0000 (17:30 +0000)]
Test some extra error conditions in sqlite3_recover_snapshot().
FossilOrigin-Name:
db314213c08f27dd0ff5ede3c6a8eda36560809a
dan [Sat, 19 Nov 2016 17:20:28 +0000 (17:20 +0000)]
Add another fault-injection test for sqlite3_snapshot_recover().
FossilOrigin-Name:
7e040406138669bd67dd6ecae016b3e50dbfaaf8
dan [Sat, 19 Nov 2016 16:35:53 +0000 (16:35 +0000)]
Fix a problem causing sqlite3_snapshot_recover() to return
SQLITE_IOERR_SHORT_READ.
FossilOrigin-Name:
525f75fa9fd4a95acc3fb3b0a01dabe2be39b383
dan [Sat, 19 Nov 2016 14:53:22 +0000 (14:53 +0000)]
Fix a bug in sqlite3_snapshot_recover() that could cause subsequent read
transactions to use out-of-data cache entries.
FossilOrigin-Name:
9abeb7980a34cec11a3420e14ad98a4ec0d9c599
dan [Fri, 18 Nov 2016 20:49:43 +0000 (20:49 +0000)]
Add experimental sqlite3_snapshot_recover() API.
FossilOrigin-Name:
174a6076a8d7bebe5efebf55f3fdc5d87c589cc7
dan [Fri, 18 Nov 2016 18:43:39 +0000 (18:43 +0000)]
Require that the database handle be in autocommit mode for
sqlite3_snapshot_get() to succeed. This is because it may open a read
transaction on the database file.
FossilOrigin-Name:
83b658dad091211ade3594d1e8d00ce525882506
dan [Fri, 18 Nov 2016 18:22:05 +0000 (18:22 +0000)]
Add tests for snapshot interfaces.
FossilOrigin-Name:
1f7ee7af7b620262ae663d65889b6a87415d4a34