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arguments support

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This commit is contained in:
Brian J. Cardiff 2016-01-29 17:13:22 -03:00
parent efa010e2ad
commit 82f68ed6cf
3 changed files with 95 additions and 16 deletions
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40
src/sqlite3/statement2.cr
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@ -4,11 +4,49 @@ class SQLite3::Statement2 < DB::Statement
# @closed = false
end
def exec(*args)
protected def before_execute
LibSQLite3.reset(self)
end
protected def add_parameter(index : Int32, value)
bind_arg(index, value)
end
protected def add_parameter(name : String, value)
converted_name = ":#{name}"
index = LibSQLite3.bind_parameter_index(self, converted_name)
raise "Unknown parameter: #{name}" if index == 0
bind_arg(index, value)
end
protected def execute
ResultSet2.new(self)
end
private def bind_arg(index, value : Nil)
check LibSQLite3.bind_null(self, index)
end
private def bind_arg(index, value : Int32)
check LibSQLite3.bind_int(self, index, value)
end
private def bind_arg(index, value : Int64)
check LibSQLite3.bind_int64(self, index, value)
end
private def bind_arg(index, value : Float32)
check LibSQLite3.bind_double(self, index, value.to_f64)
end
private def bind_arg(index, value : Float64)
check LibSQLite3.bind_double(self, index, value)
end
private def bind_arg(index, value : String)
check LibSQLite3.bind_text(self, index, value, value.bytesize, nil)
end
private def check(code)
raise Exception.new(@driver) unless code == 0
end