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Overview
| Comment: | Caution users to have well-defined column names in VIEWs. |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
5a0203cdca057c66c90f4b331589a774 |
| User & Date: | drh 2018-11-26 18:57:57 |
Context
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2018-11-28
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| 10:08 | Fix a typo on the quirks.html page. check-in: dd1def55d8 user: drh tags: trunk | |
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2018-11-26
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| 18:57 | Caution users to have well-defined column names in VIEWs. check-in: 5a0203cdca user: drh tags: trunk | |
| 12:01 | Merge typo fix from the 3.25 branch. check-in: 121aeee579 user: drh tags: trunk | |
Changes
Changes to pages/lang.in.
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with the [DROP VIEW] command.</p> <p>^If a <yyterm>column-name</yyterm> list follows the <yyterm>view-name</yyterm>, then that list determines the names of the columns for the view. ^If the <yyterm>column-name</yyterm> list is omitted, then the names of the columns in the view are derived from the names of the result-set columns in the [select-stmt]. Note that the <yyterm>column-name</yyterm> list syntax is only supported in SQLite versions 3.9.0 ([dateof:3.9.0]) and later. <tcl> ############################################################################## Section {CREATE VIRTUAL TABLE} {createvtab} {{CREATE VIRTUAL TABLE}} RecursiveBubbleDiagram create-virtual-table-stmt </tcl> |
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with the [DROP VIEW] command.</p> <p>^If a <yyterm>column-name</yyterm> list follows the <yyterm>view-name</yyterm>, then that list determines the names of the columns for the view. ^If the <yyterm>column-name</yyterm> list is omitted, then the names of the columns in the view are derived from the names of the result-set columns in the [select-stmt]. The use of <yyterm>column-name</yyterm> list is recommended. Or, if <yyterm>column-name</yyterm> list is omitted, then the result columns in the [SELECT] statement that defines the view should have well-defined names using the "[result-column|AS column-alias]" syntax. SQLite allows you to create views that depend on automatically generated column names, but you should avoid using them since the rules used to generate column names are not a defined part of the interface and might change in future releases of SQLite. <p>The <yyterm>column-name</yyterm> list syntax was added in SQLite versions 3.9.0 ([dateof:3.9.0]). <tcl> ############################################################################## Section {CREATE VIRTUAL TABLE} {createvtab} {{CREATE VIRTUAL TABLE}} RecursiveBubbleDiagram create-virtual-table-stmt </tcl> |