提交 7b4d94b9 authored 作者: Thomas Mueller's avatar Thomas Mueller

Documentation.

上级 b9ea493b
......@@ -1559,7 +1559,8 @@ AES
"
"Other Grammar","Column Definition","
columnName dataType { DEFAULT expression | AS computedColumnExpression } [ [ NOT ] NULL ]
columnName dataType
[ { DEFAULT expression | AS computedColumnExpression } ] [ [ NOT ] NULL ]
[ { AUTO_INCREMENT | IDENTITY } [ ( startInt [, incrementInt ] ) ] ]
[ SELECTIVITY selectivity ] [ COMMENT expression ]
[ PRIMARY KEY [ HASH ] | UNIQUE ] [ CHECK condition ]
......
......@@ -18,7 +18,9 @@ Change Log
<h1>Change Log</h1>
<h2>Next Version (unreleased)</h2>
<ul><li>Executing a CSVREAD query multiple times could result in an exception if the data was changed on disk.
<ul><li>Issue 289: Railroads (BNF) for "Column Definition" was incorrect.
</li><li>Issue 287: Railroads (BNF) is not readable for certain web-browser configurations (dark background).
</li><li>Executing a CSVREAD query multiple times could result in an exception if the data was changed on disk.
</li><li>SQL railroad diagrams: improved images for people with black background settings.
</li><li>Build-in documentation search: improved results if searching for multiple words.
</li><li>DatabaseMetaData.getColumns: there is a typo in the JDBC specification, so that the column #19 is named
......
......@@ -558,7 +558,7 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Single-column primary key values are always stored explicitly. This is not required.
</li><li>Compatibility with MySQL: support CREATE TABLE TEST(NAME VARCHAR(255) CHARACTER SET UTF8).
</li><li>CALL is incompatible with other databases because it returns a result set, so that CallableStatement.execute() returns true.
</li><li>Opimization for large lists for column IN(1, 2, 3, 4,...) - currently an list is used, could potentially use a hash set
</li><li>Optimization for large lists for column IN(1, 2, 3, 4,...) - currently an list is used, could potentially use a hash set
(maybe only for a part of the values - the ones that can be evaluated).
</li></ul>
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......@@ -109,8 +109,8 @@ public abstract class BaseIndex extends SchemaObjectBase implements Index {
/**
* Calculate the cost for the given mask as if this index was a typical
* b-tree range index. This is the estimated cost required to search one row, and then iterate over the
* given number of rows.
* b-tree range index. This is the estimated cost required to search one
* row, and then iterate over the given number of rows.
*
* @param masks the search mask
* @param rowCount the number of rows in the index
......
......@@ -505,7 +505,8 @@ Returns the first expression where the condition is true."
","
Two algorithms are supported: AES (AES-128) and XTEA (using 32 rounds)."
"Other Grammar","Column Definition","
columnName dataType { DEFAULT expression | AS computedColumnExpression } [ [ NOT ] NULL ]
columnName dataType
[ { DEFAULT expression | AS computedColumnExpression } ] [ [ NOT ] NULL ]
[ { AUTO_INCREMENT | IDENTITY } [ ( startInt [, incrementInt ] ) ] ]
[ SELECTIVITY selectivity ] [ COMMENT expression ]
[ PRIMARY KEY [ HASH ] | UNIQUE ] [ CHECK condition ]
......
......@@ -677,4 +677,4 @@ trouble designed decouple reflectively skeletons retention reflective validates
clip upgrades demonstrate inspectors
exceed identities differentiate inherited tracks notated strip suggestions
registration sanity improperly annotate inheritance composite inspected
hurt imposes marshal policy upgrader
hurt imposes marshal policy upgrader configurations dark
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