|
private static readonly RESERVED_WORDS = new Set([ |
|
'all', 'analyse', 'analyze', 'and', 'any', 'array', 'as', 'asc', 'asymmetric', 'both', |
|
'case', 'cast', 'check', 'collate', 'column', 'constraint', 'create', 'current_catalog', |
|
'current_date', 'current_role', 'current_time', 'current_timestamp', 'current_user', |
|
'default', 'deferrable', 'desc', 'distinct', 'do', 'else', 'end', 'except', 'false', |
|
'fetch', 'for', 'foreign', 'from', 'grant', 'group', 'having', 'in', 'initially', |
|
'intersect', 'into', 'lateral', 'leading', 'limit', 'localtime', 'localtimestamp', |
|
'not', 'null', 'offset', 'on', 'only', 'or', 'order', 'placing', 'primary', |
|
'references', 'returning', 'select', 'session_user', 'some', 'symmetric', 'table', |
|
'then', 'to', 'trailing', 'true', 'union', 'unique', 'user', 'using', 'variadic', |
|
'when', 'where', 'window', 'with' |
|
]); |
|
|
|
private static needsQuotes(value: string): boolean { |
|
if (!value) return false; |
|
|
|
const needsQuotesRegex = /[a-z]+[\W\w]*[A-Z]+|[A-Z]+[\W\w]*[a-z]+|\W/; |
|
|
|
const isAllUppercase = /^[A-Z]+$/.test(value); |
|
|
|
return needsQuotesRegex.test(value) || |
|
Deparser.RESERVED_WORDS.has(value.toLowerCase()) || |
|
isAllUppercase; |
|
} |
Our Code
pgsql-parser/packages/deparser/src/deparser.ts
Lines 2460 to 2483 in bf4612f
PG Source
https://github.com/postgres/postgres/blob/fab5cd3dd1323f9e66efeb676c4bb212ff340204/src/backend/utils/adt/ruleutils.c#L13055-L13137
https://github.com/postgres/postgres/blob/fab5cd3dd1323f9e66efeb676c4bb212ff340204/src/backend/utils/adt/ruleutils.c#L13139-L13156
doxygen
https://doxygen.postgresql.org/ruleutils_8c.html#a8c18b3ffb8863e7740b32ef5f4c05ddc
and keywords too