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Allow for "IF NOT EXISTS" in createTable in ddl

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This commit is contained in:
rbock 2017-03-05 19:50:55 +01:00
parent 3d07fe9826
commit f88efada67
2 changed files with 4 additions and 3 deletions
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5
scripts/ddl2cpp
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@ -185,7 +185,8 @@ ddlConstraint = Or([
ddlWord("UNIQUE"),
])
ddlColumn = Group(Optional(ddlConstraint).setResultsName("isConstraint") + OneOrMore(MatchFirst([ddlNotNull, ddlAutoValue, ddlDefaultValue, ddlFunctionWord("NOW"), ddlTerm, ddlNum, ddlColumnComment, ddlString, ddlArguments])))
createTable = Group(ddlWord("CREATE") + ddlWord("TABLE") + ddlName.setResultsName("tableName") + "(" + Group(delimitedList(ddlColumn)).setResultsName("columns") + ")").setResultsName("create")
ddlIfNotExists = Optional(Group(ddlWord("IF") + ddlWord("NOT") + ddlWord("EXISTS")).setResultsName("ifNotExists"))
createTable = Group(ddlWord("CREATE") + ddlWord("TABLE") + ddlIfNotExists + ddlName.setResultsName("tableName") + "(" + Group(delimitedList(ddlColumn)).setResultsName("columns") + ")").setResultsName("create")
#ddlString.setDebug(True) #uncomment to debug pyparsing
ddl = ZeroOrMore(Suppress(SkipTo(createTable, False)) + createTable)
@ -222,7 +223,7 @@ types = {
}
ddlColumn = Group(Optional(ddlConstraint).setResultsName("isConstraint") + OneOrMore(MatchFirst([ddlNotNull, ddlAutoValue, ddlDefaultValue, ddlFunctionWord("NOW"), ddlTerm, ddlNum, ddlColumnComment, ddlString, ddlArguments])))
createTable = Group(ddlWord("CREATE") + ddlWord("TABLE") + ddlName.setResultsName("tableName") + "(" + Group(delimitedList(ddlColumn)).setResultsName("columns") + ")").setResultsName("create")
createTable = Group(ddlWord("CREATE") + ddlWord("TABLE") + ddlIfNotExists + ddlName.setResultsName("tableName") + "(" + Group(delimitedList(ddlColumn)).setResultsName("columns") + ")").setResultsName("create")
ddlComment = oneOf(["--", "#"]) + restOfLine
if failOnParse:

2
tests/sample.sql
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@ -24,7 +24,7 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
CREATE TABLE tab_foo
CREATE TABLE IF NOT EXISTS tab_foo
(
delta varchar(255),
epsilon bigint,