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:-) (CVS 88)

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FossilOrigin-Name: 3252269e9005fe3f31f285506430e33d1031da88
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drh
2000-06-09 03:47:19 +00:00
parent 18df8cbede
commit d7805f08dd
4 changed files with 152 additions and 53 deletions
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183
www/lang.tcl
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@ -1,7 +1,7 @@
#
# Run this Tcl script to generate the sqlite.html file.
#
set rcsid {$Id: lang.tcl,v 1.2 2000/06/09 01:58:37 drh Exp $}
set rcsid {$Id: lang.tcl,v 1.3 2000/06/09 03:47:19 drh Exp $}
puts {<html>
<head>
@ -46,6 +46,8 @@ foreach {section} [lsort -index 0 -dictionary {
{UPDATE update}
{SELECT select}
{COPY copy}
{EXPLAIN explain}
{expressions expr}
}] {
puts "<li><a href=\"#[lindex $section 1]\">[lindex $section 0]</a></li>"
}
@ -67,7 +69,9 @@ proc Syntax {args} {
regsub -all {[]|[*?]} $body {</font></b>&<b><font color="#2c2cf0">} body
regsub -all "\n" [string trim $body] "<br>\n" body
regsub -all "\n *" $body "\n\\&nbsp;\\&nbsp;\\&nbsp;\\&nbsp;" body
regsub -all {[|,*()]} $body {<big>&</big>} body
regsub -all {[|,.*()]} $body {<big>&</big>} body
regsub -all { = } $body { <big>=</big> } body
regsub -all {STAR} $body {<big>*</big>} body
puts "<td><b><font color=\"#2c2cf0\">$body</font></b></td></tr>"
}
puts {</table>}
@ -85,6 +89,41 @@ proc Example {text} {
puts "<blockquote><pre>$text</pre></blockquote>"
}
Section COPY copy
Syntax {sql-statement} {
COPY <table-name> FROM <string>
}
Section {CREATE INDEX} createindex
Syntax {sql-statement} {
CREATE INDEX <index-name>
ON <table-name> ( <column-name> [, <column-name>]* )
} {column-name} {
<name> [ ASC | DESC ]
}
puts {
<p>The CREATE INDEX command consists of the keywords "CREATE INDEX" followed
by the name of the new index, the keyword "ON" the name of a previously
created table that is to be indexed, and a parenthesized list of names of
columns in the table that are used for the index key.
Each column name can be followed by one of the "ASC" or "DESC" keywords
to indicate sort order, but since GDBM does not implement ordered keys,
these keywords are ignored.</p>
<p>There are no arbitrary limits on the number of indices that can be
attached to a single table, nor on the number of columns in an index.</p>
<p>The exact text
of each CREATE INDEX statement is stored in the <b>sqlite_master</b>
table. Everytime the database is opened, all CREATE INDEX statements
are read from the <b>sqlite_master</b> table and used to regenerate
SQLite's internal representation of the index layout.</p>
}
Section {CREATE TABLE} {createtable}
Syntax {sql-command} {
@ -140,34 +179,28 @@ are read from the <b>sqlite_master</b> table and used to regenerate
SQLite's internal representation of the table layout.</p>
}
Section {CREATE INDEX} createindex
Section DELETE delete
Syntax {sql-statement} {
CREATE INDEX <index-name>
ON <table-name> ( <column-name> [, <column-name>]* )
} {column-name} {
<name> [ ASC | DESC ]
DELETE FROM <table-name> [WHERE <expression>]
}
puts {
<p>The CREATE INDEX command consists of the keywords "CREATE INDEX" followed
by the name of the new index, the keyword "ON" the name of a previously
created table that is to be indexed, and a parenthesized list of names of
columns in the table that are used for the index key.
Each column name can be followed by one of the "ASC" or "DESC" keywords
to indicate sort order, but since GDBM does not implement ordered keys,
these keywords are ignored.</p>
<p>There are no arbitrary limits on the number of indices that can be
attached to a single table, nor on the number of columns in an index.</p>
<p>The exact text
of each CREATE INDEX statement is stored in the <b>sqlite_master</b>
table. Everytime the database is opened, all CREATE INDEX statements
are read from the <b>sqlite_master</b> table and used to regenerate
SQLite's internal representation of the index layout.</p>
<p></p>
}
Section {DROP INDEX} dropindex
Syntax {sql-command} {
DROP INDEX <index-name>
}
puts {
<p>The DROP INDEX statement consists of the keywords "DROP INDEX" followed
by the name of the index. The index named is completely removed from
the disk. The only way to recover the index is to reenter the
appropriate CREATE INDEX command.</p>
}
Section {DROP TABLE} droptable
@ -181,17 +214,92 @@ by the name of the table. The table named is completely removed from
the disk. The table can not be recovered. All indices associated with
the table are also reversibly deleted.</p>}
Section {DROP INDEX} dropindex
Section EXPLAIN explain
Syntax {sql-command} {
DROP INDEX <index-name>
Syntax {sql-statement} {
EXPLAIN <sql-statement>
}
Section expression expr
Syntax {expression} {
<expression> <binary-op> <expression> |
<expression> <like-op> <expression> |
<unary-op> <expression> |
( <expression> ) |
<column-name> |
<table-name> . <column-name> |
<literal-value> |
<function-name> ( <expr-list> | STAR ) |
<expression> ISNULL |
<expression> NOTNULL |
<expression> BETWEEN <expression> AND <expression> |
<expression> IN ( <value-list> ) |
<expression> IN ( <select> ) |
( <select> )
} {like-op} {
LIKE | GLOB | NOT LIKE | NOT GLOB
}
Section INSERT insert
Syntax {sql-statement} {
INSERT INTO <table-name> [( <column-list> )] VALUES ( <value-list> ) |
INSERT INTO <table-name> [( <column-list> )] <select-statement>
}
puts {
<p>The DROP INDEX statement consists of the keywords "DROP INDEX" followed
by the name of the index. The index named is completely removed from
the disk. The only way to recover the index is to reenter the
appropriate CREATE INDEX command.</p>
<p>The INSERT statement comes in two basic forms. The first form
(with the "VALUES" keyword) creates a single new row in an existing table.
If no column-list is specified then the number of values must
be the same as the number of columns in the table. If a column-list
is specified, then the number of values must match the number of
specified columns. Columns of the table that do not appear in the
column list are fill with the default value, or with NULL if not
default value is specified.
</p>
<p>The second form of the INSERT statement takes it data from a
SELECT statement. The number of columns in the result of the
SELECT must exactly match the number of columns in the table if
no column list is specified, or it must match the number of columns
name in the column list. A new entry is made in the table
for every row of the SELECT result. The SELECT may be simple
or compound. If the SELECT statement has an ORDER BY clause,
the ORDER BY is ignored.</p>
}
Section SELECT select
Syntax {sql-statement} {
SELECT <result> FROM <table-list>
[WHERE <expression>]
[GROUP BY <expr-list>]
[HAVING <expression>]
[<compound-op> <select>]*
[ORDER BY <sort-expr-list>]
} {result} {
STAR | <expresssion> [, <expression>]*
} {table-list} {
<table-name> [, <table-name>]*
} {sort-expr-list} {
<expr> [<sort-order>] [, <expr> [<sort-order>]]*
} {sort-order} {
ASC | DESC
} {compound_op} {
UNION | UNION ALL | INTERSECT | EXCEPT
}
Section UPDATE update
Syntax {sql-statement} {
UPDATE <table-name> SET <assignment> [, <assignment>] [WHERE <expression>]
} {assignment} {
<column-name> = <expression>
}
puts {
<p>
}
Section VACUUM vacuum
@ -214,21 +322,8 @@ the underlying GDBM file much smaller and will help queries to
run much faster.</p>
}
Section INSERT insert
Syntax {sql-statement} {
INSERT INTO <table-name> [( <column-list> )] VALUES ( <value-list> ) |
INSERT INTO <table-name> [( <column-list> )] <select-statement>
}
puts {
<p>The INSERT statement comes in two basic forms. The first form
(with the "VALUES" keyword) creates a single new row in an existing table.
If no column-list is specified then the number of values must
be the same as the number of columns in the table. If a column-list
is specified, then the number of values must match the number of
specified columns
</p>
<p></p>
}
puts {