third_party/sqlite/sqlite-src-3100200/tool/genfkey.README - Issue 1610543003: [sql] Import reference version of SQLite 3.10.2.

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Issue 1610543003: [sql] Import reference version of SQLite 3.10.2. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 11 months ago

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2 OVERVIEW	2 OVERVIEW

3	3

4 The SQLite library is capable of parsing SQL foreign key constraints	4 The SQLite library is capable of parsing SQL foreign key constraints

5 supplied as part of CREATE TABLE statements, but it does not actually	5 supplied as part of CREATE TABLE statements, but it does not actually

6 implement them. However, most of the features of foreign keys may be	6 implement them. However, most of the features of foreign keys may be

7 implemented using SQL triggers, which SQLite does support. This text	7 implemented using SQL triggers, which SQLite does support. This text

8 file describes a feature of the SQLite shell tool (sqlite3) that	8 file describes a feature of the SQLite shell tool (sqlite3) that

9 extracts foreign key definitions from an existing SQLite database and	9 extracts foreign key definitions from an existing SQLite database and

10 creates the set of CREATE TRIGGER statements required to implement	10 creates the set of CREATE TRIGGER statements required to implement

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128 in the same way as the results of SELECT queries are. Normally, this means	128 in the same way as the results of SELECT queries are. Normally, this means

129 they will be printed to stdout, but this can be configured using other	129 they will be printed to stdout, but this can be configured using other

130 dot-commands (i.e. ".output").	130 dot-commands (i.e. ".output").

131	131

132 The simplest way to activate the foriegn key definitions in a database	132 The simplest way to activate the foriegn key definitions in a database

133 is simply to open it using the shell tool and enter the command	133 is simply to open it using the shell tool and enter the command

134 ".genfkey --exec":	134 ".genfkey --exec":

135	135

136 sqlite> .genfkey --exec	136 sqlite> .genfkey --exec

137	137

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