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from __future__ import annotations
from sqlglot import exp
from sqlglot.dialects.postgres import Postgres
from sqlglot.tokens import TokenType
class Redshift(Postgres):
time_format = "'YYYY-MM-DD HH:MI:SS'"
time_mapping = {
**Postgres.time_mapping, # type: ignore
"MON": "%b",
"HH": "%H",
}
class Tokenizer(Postgres.Tokenizer):
ESCAPES = ["\\"]
KEYWORDS = {
**Postgres.Tokenizer.KEYWORDS, # type: ignore
"GEOMETRY": TokenType.GEOMETRY,
"GEOGRAPHY": TokenType.GEOGRAPHY,
"HLLSKETCH": TokenType.HLLSKETCH,
"SUPER": TokenType.SUPER,
"TIME": TokenType.TIMESTAMP,
"TIMETZ": TokenType.TIMESTAMPTZ,
"VARBYTE": TokenType.VARBINARY,
"SIMILAR TO": TokenType.SIMILAR_TO,
}
class Generator(Postgres.Generator):
TYPE_MAPPING = {
**Postgres.Generator.TYPE_MAPPING, # type: ignore
exp.DataType.Type.BINARY: "VARBYTE",
exp.DataType.Type.VARBINARY: "VARBYTE",
exp.DataType.Type.INT: "INTEGER",
}
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