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Code Issues

Better syntax for CORE-4955 & docs

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This commit is contained in:
alexpeshkoff 2015-10-09 13:57:39 +00:00
parent bcf2c0eb10
commit 42b98af12b
2 changed files with 13 additions and 2 deletions
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11
doc/sql.extensions/README.ddl.txt
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@ -475,3 +475,14 @@ isc_dpb_sql_role_name tag with required value into DPB, but CREATE DATABASE stat
missed ROLE clause before 3.0.
ISQL now also takes into an account global role setting when creating databases.
19) Added {PRESERVE | DELETE} FILE clause to DROP SHADOW statement.
(Alex Peshkov)
In some cases it's desired to keep shadow file after dropping shadow (for example for
backup purporse). In FB3 appropriate clause is added to DROP SHADOW. Full syntax is:
DROP SHADOW number [{PRESERVE | DELETE} FILE];
Default behavior is to delete file keeping backwards compatibility.

4
src/dsql/parse.y
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@ -4074,8 +4074,8 @@ drop_clause
%type <boolVal> opt_no_file_delete
opt_no_file_delete
: /* nothing */ { $$ = false; }
| NO KW_FILE KW_DELETE { $$ = true; }
| NO KW_DELETE KW_FILE { $$ = true; }
| PRESERVE KW_FILE { $$ = true; }
| KW_DELETE KW_FILE { $$ = false; }
;
// these are the allowable datatypes