drh
076e85f59c
Add the sqlite3VdbeLoadString() and sqlite3VdbeMultiLoad() routines to help
...
with code generation, especially on PRAGMAs. Rename sqlite3VdbeAddGoto()
to just sqlite3VdbeGoto().
FossilOrigin-Name: 847387ec8e6fef283899578fb232b2c23b00ee5b
2015-09-03 13:46:12 +00:00
drh
2991ba050b
Add the sqlite3VdbeAddGoto(v,i) routine as a shorthand for
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sqlite3VdbeAddOp2(v,OP_Goto,0,i).
FossilOrigin-Name: be78f413df1b0d874b44a866ef6bf17543d7e8a2
2015-09-02 18:19:00 +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
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for better performance and a smaller footprint.
FossilOrigin-Name: 82355e41084387fa11b7b531e4d660dd3b4cd984
2015-09-02 15:37:50 +00:00
drh
4970d4032e
Merge enhancements from trunk.
...
FossilOrigin-Name: 29570a604806e2a60a8eef7eaf1dce022d2a7004
2015-09-01 18:31:19 +00:00
drh
c7c4680ffd
Fix EXPLAIN QUERY PLAN output for indexed-expressions. Fix another
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obscure fault in the WHERE term scanner.
FossilOrigin-Name: 73d361ce9e4d72c943def8b0b3caa227f9199aed
2015-08-27 20:33:38 +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
c1bd84124b
Merge recent enhancements from trunk, including table-valued expressions.
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FossilOrigin-Name: b9927c876c1d4e146cb6a603d82cd2489594084d
2015-08-20 23:45:59 +00:00
drh
8a48b9c0b1
Minor refactor of the SrcList object so that it is able to hold the argument
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list to a table-valued-function in the FROM clause.
FossilOrigin-Name: b919376147597c4b73421abe5788f893baf1560b
2015-08-19 15:20:00 +00:00
drh
bcf40a7f12
Provide hints for all terms in a range constraint if there are any equality
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terms anywhere in the constraint. Range constraint terms are only omitted
for a pure range constraint with no equality prefix.
FossilOrigin-Name: b5897bc0f003c470eeb2a75e0a2b2bb202681531
2015-08-18 15:58:05 +00:00
drh
b413a5467a
Avoid generating hints using constraints that are also used to initialize the
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cursor, since presumably the cursor already knows about those constraints.
FossilOrigin-Name: 142b048ac778620dd4e448c2e969982eb8188501
2015-08-17 17:19:28 +00:00
drh
2f2b02785a
Fix the cursor hint mechanism so that it does the right thing for indexed
...
lookups.
FossilOrigin-Name: 581e3d4988e98975fea5daaeb9f854c54a4976b7
2015-08-14 18:50:04 +00:00
drh
0df57012da
Refactor the sqlite3BtreeCursorHint() interface for improved maintainability.
...
FossilOrigin-Name: fc3fb5cd0d2c123a069e5b18b62bb1f708c8698a
2015-08-14 15:05:55 +00:00
drh
fe66352d17
Fix the CursorHint so that it includes the scan boundary constraints.
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On the expression text for the CursorHint opcode, show rowid correctly.
FossilOrigin-Name: f0d428d13a787251c2ca7685fec2a91b550eefba
2015-08-14 01:03:21 +00:00
drh
bec2476afc
Merge in all the trunk changes from the previous year. This breaks the
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cursor-hint mechanism, but provides a baseline for trouble-shooting.
FossilOrigin-Name: 82a7a61bc0883b1e7432548e4890791717aa1bb3
2015-08-13 20:07:13 +00:00
drh
d3e3f0b46e
The sqlite3ExprCodeGetColumn() is not guaranteed to put the result in the
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register requested. Fix the skip-scan code generator for WITHOUT ROWID
tables so that it always checks the register and copies the result if it
lands in the wrong register. Fix for ticket [8fd39115d8f46ece70e7d4b3].
FossilOrigin-Name: 793e206f9032d9205bdb3f447b136bed9a25fa22
2015-07-23 16:39:33 +00:00
drh
6f82e85a80
Split out the bulk of the actual VDBE code generation logic from where.c
...
into a new file, leaving behind the analysis logic. This makes the original
where.c smaller and hopefully easier to edit.
FossilOrigin-Name: faa0e420e93a2bc1c84df9eb9fef4748d29ce339
2015-06-06 20:12:09 +00:00
