Fix NoMethodError: undefined method fields' for nil:NilClass`
#23954
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Currently `exec_query` raises `NoMethodError` when executing no result
queries (`INSERT`, `UPDATE`, `DELETE`, and all DDL) in mysql2 adapter.
```
irb(main):002:0> conn.execute("create table t(a int)")
(43.3ms) create table t(a int)
=> nil
irb(main):003:0> conn.execute("insert into t values (1)")
(19.3ms) insert into t values (1)
=> nil
irb(main):004:0> conn.exec_query("insert into t values (1)")
SQL (28.6ms) insert into t values (1)
NoMethodError: undefined method `fields' for nil:NilClass
```
|
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rafaelfranca
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Mar 1, 2016
Fix `NoMethodError: undefined method `fields' for nil:NilClass`
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Currently
exec_queryraisesNoMethodErrorwhen executing no resultqueries (
INSERT,UPDATE,DELETE, and all DDL) in mysql2 adapter.