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ddl2cpp: support CHECK constraint

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This commit is contained in:
Andreas C. Osowski 2018-04-18 19:02:06 +02:00
parent d2dc3124fb
commit 18e1c180fe
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1 changed files with 11 additions and 1 deletions
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12
scripts/ddl2cpp
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@ -178,7 +178,16 @@ negativeSign = Literal('-')
ddlNum = Combine(Optional(negativeSign) + Word(nums + "."))
ddlTerm = Word(alphanums + "_$")
ddlName = Or([ddlTerm, ddlString])
ddlMathOp = Word("+><=-")
ddlBoolean = Or([ddlWord("AND"), ddlWord("OR"), ddlWord("NOT")])
ddlArguments = "(" + delimitedList(Or([ddlString, ddlTerm, ddlNum])) + ")"
ddlMathCond = "(" + delimitedList(
Or([
Group(ddlName + ddlMathOp + ddlName),
Group(ddlName + ddlWord("NOT") + ddlWord("NULL")),
]),
delim=ddlBoolean) + ")"
ddlUnsigned = ddlWord("unsigned").setResultsName("isUnsigned")
ddlNotNull = Group(ddlWord("NOT") + ddlWord("NULL")).setResultsName("notNull")
ddlDefaultValue = ddlWord("DEFAULT").setResultsName("hasDefaultValue")
@ -196,8 +205,9 @@ ddlConstraint = Or([
ddlWord("KEY"),
ddlWord("INDEX"),
ddlWord("UNIQUE"),
ddlWord("CHECK")
])
ddlColumn = Group(Optional(ddlConstraint).setResultsName("isConstraint") + OneOrMore(MatchFirst([ddlUnsigned, ddlNotNull, ddlAutoValue, ddlDefaultValue, ddlFunctionWord("NOW"), ddlTerm, ddlNum, ddlColumnComment, ddlString, ddlArguments])))
ddlColumn = Group(Optional(ddlConstraint).setResultsName("isConstraint") + OneOrMore(MatchFirst([ddlUnsigned, ddlNotNull, ddlAutoValue, ddlDefaultValue, ddlFunctionWord("NOW"), ddlTerm, ddlNum, ddlColumnComment, ddlString, ddlArguments, ddlMathCond])))
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