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feat: add insert overwrite from spark sql #148

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merged 1 commit into from
May 23, 2023
Merged

feat: add insert overwrite from spark sql #148

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56 changes: 36 additions & 20 deletions grammar.js
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ module.exports = grammar({
keyword_replace: _ => make_keyword("replace"),
keyword_update: _ => make_keyword("update"),
keyword_into: _ => make_keyword("into"),
keyword_overwrite: _ => make_keyword("overwrite"),
keyword_values: _ => make_keyword("values"),
keyword_set: _ => make_keyword("set"),
keyword_from: _ => make_keyword("from"),
Expand Down Expand Up @@ -1270,8 +1271,14 @@ module.exports = grammar({
),
),
optional($.keyword_ignore),
optional($.keyword_into),
optional(
choice(
$.keyword_into,
$.keyword_overwrite, // Spark SQL
),
),
$.table_reference,
optional($.table_partition), // Spark SQL
optional(
seq(
$.keyword_as,
Expand Down Expand Up @@ -1418,26 +1425,35 @@ module.exports = grammar({
),

table_partition: $ => seq(
choice(
// Postgres/MySQL style
seq(
$.keyword_partition,
$.keyword_by,
choice(
$.keyword_range,
$.keyword_hash,
)
),
// Hive style
seq(
$.keyword_partitioned,
$.keyword_by,
),
choice(
// Postgres/MySQL style
seq(
$.keyword_partition,
$.keyword_by,
choice(
$.keyword_range,
$.keyword_hash,
)
),
choice(
seq('(', $.identifier, ')'), // postgres
$.column_definitions // impala/hive
)
// Hive style
seq(
$.keyword_partitioned,
$.keyword_by,
),
// Spark SQL
$.keyword_partition,
),
choice(
seq('(', $.identifier, ')'), // postgres
$.column_definitions, // impala/hive
seq('(', $._key_value_pair, repeat(seq(',', $._key_value_pair)), ')',), // Spark SQL
)
),

_key_value_pair: $ => seq(
field('key',$.identifier),
'=',
field('value', alias($._literal_string, $.literal)),
),

stored_as: $ => seq(
Expand Down
121 changes: 121 additions & 0 deletions test/corpus/insert.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -404,3 +404,124 @@ VALUES('foo','bar', 3);
(literal)
(literal)
(literal)))))

================================================================================
Insert overwrite
================================================================================

INSERT OVERWRITE tab1
SELECT
col1,
col2
FROM
(
SELECT
*
FROM
tab2
WHERE
key1 >= 'val'
) a1;

--------------------------------------------------------------------------------

(program
(statement
(insert
(keyword_insert)
(keyword_overwrite)
(table_reference
(identifier))
(select
(keyword_select)
(select_expression
(term
(field
(identifier)))
(term
(field
(identifier)))))
(from
(keyword_from)
(relation
(subquery
(select
(keyword_select)
(select_expression
(all_fields)))
(from
(keyword_from)
(relation
(table_reference
(identifier)))
(where
(keyword_where)
(binary_expression
(field
(identifier))
(literal)))))
(identifier))))))

================================================================================
Insert overwrite with partition
================================================================================

INSERT OVERWRITE tab1
PARTITION (key1 = 'val1', key2 = 'val2')
SELECT
col1,
col2
FROM
(
SELECT
*
FROM
tab2
WHERE
key1 >= 'val'
) a1;

--------------------------------------------------------------------------------

(program
(statement
(insert
(keyword_insert)
(keyword_overwrite)
(table_reference
(identifier))
(table_partition
(keyword_partition)
(identifier)
(literal)
(identifier)
(literal))
(select
(keyword_select)
(select_expression
(term
(field
(identifier)))
(term
(field
(identifier)))))
(from
(keyword_from)
(relation
(subquery
(select
(keyword_select)
(select_expression
(all_fields)))
(from
(keyword_from)
(relation
(table_reference
(identifier)))
(where
(keyword_where)
(binary_expression
(field
(identifier))
(literal)))))
(identifier))))))