def to_painless(self, schema):
term = FirstOp("first", self.term).partial_eval()
value = term.to_painless(schema)
if isinstance(value.frum, CoalesceOp):
return CoalesceOp(
"coalesce",
[StringOp("string", t).partial_eval()
for t in value.frum.terms]).to_painless(schema)
if value.type == BOOLEAN:
return Painless(miss=self.term.missing().partial_eval(),
type=STRING,
expr=value.expr + ' ? "T" : "F"',
frum=self)
elif value.type == INTEGER:
return Painless(miss=self.term.missing().partial_eval(),
type=STRING,
expr="String.valueOf(" + value.expr + ")",
frum=self)
elif value.type == NUMBER:
return Painless(miss=self.term.missing().partial_eval(),
type=STRING,
expr=expand_template(TO_STRING, {"expr": value.expr}),
frum=self)
elif value.type == STRING:
return value
else:
return Painless(miss=self.term.missing().partial_eval(),
type=STRING,
expr=expand_template(TO_STRING, {"expr": value.expr}),
frum=self)
def to_painless(self, schema):
term = FirstOp("first", self.term).partial_eval()
value = term.to_painless(schema)
if isinstance(value.frum, CoalesceOp):
return CoalesceOp("coalesce", [NumberOp("number", t).partial_eval().to_painless(schema) for t in value.frum.terms]).to_painless(schema)
if value.type == BOOLEAN:
return Painless(
miss=term.missing().partial_eval(),
type=NUMBER,
expr=value.expr + " ? 1 : 0",
frum=self
)
elif value.type == INTEGER:
return Painless(
miss=term.missing().partial_eval(),
type=NUMBER,
expr=value.expr,
frum=self
)
elif value.type == NUMBER:
return Painless(
miss=term.missing().partial_eval(),
type=NUMBER,
expr=value.expr,
frum=self
)
elif value.type == STRING:
return Painless(
miss=term.missing().partial_eval(),
type=NUMBER,
expr="Double.parseDouble(" + value.expr + ")",
frum=self
)
elif value.type == OBJECT:
return Painless(
miss=term.missing().partial_eval(),
type=NUMBER,
expr="((" + value.expr + ") instanceof String) ? Double.parseDouble(" + value.expr + ") : (" + value.expr + ")",
frum=self
)