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Added count(*) support to sql parser. Fixed warnings in sql parser. (#7490)

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treeform
2018-04-12 08:49:24 -07:00
committed by Andreas Rumpf
parent 63160855aa
commit f3db632b1d
2 changed files with 123 additions and 77 deletions
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29
tests/stdlib/tparsesql.nim
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@@ -26,10 +26,9 @@ doAssert $parseSQL("SELECT foo, bar, baz FROM table limit 10") == "select foo, b
doAssert $parseSQL("SELECT foo AS bar FROM table") == "select foo as bar from table;"
doAssert $parseSQL("SELECT foo AS foo_prime, bar AS bar_prime, baz AS baz_prime FROM table") == "select foo as foo_prime, bar as bar_prime, baz as baz_prime from table;"
doAssert $parseSQL("SELECT * FROM table") == "select * from table;"
#TODO add count(*)
#doAssert $parseSQL("SELECT COUNT(*) FROM table"
doAssert $parseSQL("SELECT count(*) FROM table") == "select count(*) from table;"
doAssert $parseSQL("SELECT count(*) as 'Total' FROM table") == "select count(*) as 'Total' from table;"
doAssert $parseSQL("SELECT count(*) as 'Total', sum(a) as 'Aggr' FROM table") == "select count(*) as 'Total', sum(a) as 'Aggr' from table;"
doAssert $parseSQL("""
SELECT * FROM table
@@ -50,6 +49,23 @@ WHERE
a and not b
""") == "select * from table where a and not b;"
doAssert $parseSQL("""
SELECT * FROM table
ORDER BY 1
""") == "select * from table order by 1;"
doAssert $parseSQL("""
SELECT * FROM table
GROUP BY 1
ORDER BY 1
""") == "select * from table group by 1 order by 1;"
doAssert $parseSQL("""
SELECT * FROM table
ORDER BY 1
LIMIT 100
""") == "select * from table order by 1 limit 100;"
doAssert $parseSQL("""
SELECT * FROM table
WHERE a = b and c = d or n is null and not b + 1 = 3
@@ -185,7 +201,10 @@ AND Country='USA'
ORDER BY CustomerName;
""") == "select * from Customers where(CustomerName like 'L%' or CustomerName like 'R%' or CustomerName like 'W%') and Country = 'USA' order by CustomerName;"
# parse keywords as identifires
# parse quoted keywords as identifires
doAssert $parseSQL("""
SELECT `SELECT`, `FROM` as `GROUP` FROM `WHERE`;
""") == """select "SELECT", "FROM" as "GROUP" from "WHERE";"""
doAssert $parseSQL("""
SELECT "SELECT", "FROM" as "GROUP" FROM "WHERE";
""") == """select "SELECT", "FROM" as "GROUP" from "WHERE";"""