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Add backwards compatibility view and triggers to local.sqlite schema.
Matthew Seaman committed 12 years ago
commit bca663a85d33f8f19a349cdf7009940b707c7e01
parent b5a535e93d7e28d15eb90ec7655417863e043682
2 files changed +42 -7
modified libpkg/pkgdb.c
@@ -648,6 +648,41 @@ pkgdb_init(sqlite3 *sdb)
		"AND package_id = old.package_id; "

	"END;"
+ 
	"CREATE VIEW scripts AS SELECT package_id, script, type"
+ 
                " FROM pkg_script ps JOIN script s"
+ 
                " ON (ps.script_id = s.script_id);"
+ 
        "CREATE TRIGGER scripts_update"
+ 
                " INSTEAD OF UPDATE ON scripts "
+ 
        "FOR EACH ROW BEGIN"
+ 
                " INSERT OR IGNORE INTO script(script)"
+ 
                " VALUES(new.script);"
+ 
	        " UPDATE pkg_script"
+ 
                " SET package_id = new.package_id,"
+ 
                        " type = new.type,"
+ 
	                " script_id = ( SELECT script_id"
+ 
	                " FROM script WHERE script = new.script )"
+ 
                " WHERE package_id = old.package_id"
+ 
                        " AND type = old.type;"
+ 
        "END;"
+ 
        "CREATE TRIGGER scripts_insert"
+ 
                " INSTEAD OR INSERT ON scripts "
+ 
        "FOR EACH ROW BEGIN"
+ 
                " INSERT OR IGNORE INTO script(script)"
+ 
                " VALUES(new.script);"
+ 
	        " INSERT INTO pkg_script(package_id, type, script_id) "
+ 
	        " SELECT new.package_id, new.type, s.script_id"
+ 
                " FROM script s WHERE new.script = s.script;"
+ 
	"END;"
+ 
	"CREATE TRIGGER scripts_delete"
+ 
	        " INSTEAD OF DELETE ON scripts "
+ 
        "FOR EACH ROW BEGIN"
+ 
                " DELETE FROM pkg_script"
+ 
                " WHERE package_id = old.package_id"
+ 
                " AND type = old.type;"
+ 
                " DELETE FROM script"
+ 
                " WHERE script_id NOT IN"
+ 
                         " (SELECT DISTINCT script_id FROM pkg_script);"
+ 
	"END;"



	"PRAGMA user_version = %d;"

	"COMMIT;"
modified libpkg/private/db_upgrades.h
@@ -436,26 +436,26 @@ static struct db_upgrades {
	                " FROM script WHERE script = new.script )"

                " WHERE package_id = old.package_id"

                        " AND type = old.type;"
- 
         "END;"
- 
         "CREATE TRIGGER scripts_insert"
+ 
        "END;"
+ 
        "CREATE TRIGGER scripts_insert"

                " INSTEAD OR INSERT ON scripts "
- 
         "FOR EACH ROW BEGIN"
+ 
        "FOR EACH ROW BEGIN"

                " INSERT OR IGNORE INTO script(script)"

                " VALUES(new.script);"

	        " INSERT INTO pkg_script(package_id, type, script_id) "

	        " SELECT new.package_id, new.type, s.script_id"

                " FROM script s WHERE new.script = s.script;"
- 
	 "END;"
- 
	 "CREATE TRIGGER scripts_delete"
+ 
	"END;"
+ 
	"CREATE TRIGGER scripts_delete"

	        " INSTEAD OF DELETE ON scripts "
- 
         "FOR EACH ROW BEGIN"
+ 
        "FOR EACH ROW BEGIN"

                " DELETE FROM pkg_script"

                " WHERE package_id = old.package_id"

                " AND type = old.type;"

                " DELETE FROM script"

                " WHERE script_id NOT IN"

                         " (SELECT DISTINCT script_id FROM pkg_script);"
- 
	 "END;"
+ 
	"END;"

	},



	/* Mark the end of the array */