Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in
Toggle navigation
P
Postgres FD Implementation
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Analytics
Analytics
CI / CD
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Abuhujair Javed
Postgres FD Implementation
Commits
0b584830
Commit
0b584830
authored
Jun 25, 2002
by
Bruce Momjian
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Update FAQ.
parent
6918df16
Changes
2
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
10 additions
and
8 deletions
+10
-8
doc/FAQ
doc/FAQ
+6
-5
doc/src/FAQ/FAQ.html
doc/src/FAQ/FAQ.html
+4
-3
No files found.
doc/FAQ
View file @
0b584830
Frequently Asked Questions (FAQ) for PostgreSQL
Last updated:
Sun Jun 23 17:16:13
EDT 2002
Last updated:
Mon Jun 24 21:45:50
EDT 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
...
...
@@ -743,13 +743,14 @@
using an index with ORDER BY and LIMIT:
SELECT col
FROM tab
ORDER BY col
ORDER BY col
[ DESC ]
LIMIT 1
When using wild-card operators such as LIKE or ~, indexes can only be
used if the beginning of the search is anchored to the start of the
string. Therefore, to use indexes, LIKE patterns must not start with
%, and ~(regular expression) patterns must start with ^.
used if the default C local is used during initdb and the beginning of
the search is anchored to the start of the string. Therefore, to use
indexes, LIKE patterns must not start with %, and ~(regular
expression) patterns must start with ^.
4.9) How do I see how the query optimizer is evaluating my query?
...
...
doc/src/FAQ/FAQ.html
View file @
0b584830
...
...
@@ -14,7 +14,7 @@
alink=
"#0000ff"
>
<H1>
Frequently Asked Questions (FAQ) for PostgreSQL
</H1>
<P>
Last updated:
Sun Jun 23 17:16:13
EDT 2002
</P>
<P>
Last updated:
Mon Jun 24 21:45:50
EDT 2002
</P>
<P>
Current maintainer: Bruce Momjian (
<A
href=
"mailto:pgman@candle.pha.pa.us"
>
pgman@candle.pha.pa.us
</A>
)
<BR>
...
...
@@ -946,12 +946,13 @@
<PRE>
SELECT col
FROM tab
ORDER BY col
ORDER BY col
[ DESC ]
LIMIT 1
</PRE>
<P>
When using wild-card operators such as
<SMALL>
LIKE
</SMALL>
or
<I>
~
</I>
, indexes can only be used if the beginning of the search
<I>
~
</I>
, indexes can only be used if the default C local is used
during initdb and the beginning of the search
is anchored to the start of the string. Therefore, to use indexes,
<SMALL>
LIKE
</SMALL>
patterns must not start with
<I>
%
</I>
, and
<I>
~
</I>
(regular expression) patterns must start with
<I>
^
</I>
.
</P>
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment