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Add ResultSet#column_names. Fixes #11

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Ary Borenszweig 2016-07-17 21:50:52 -03:00
parent 1a4622ee59
commit b5112d9a48
2 changed files with 13 additions and 0 deletions
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8
spec/result_set_spec.cr
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@ -56,4 +56,12 @@ describe DB::ResultSet do
cols.should eq(["c0", "c1"]) cols.should eq(["c0", "c1"])
end end
it "gets all column names" do
with_dummy do |db|
db.query "1,2" do |rs|
rs.column_names.should eq(%w(c0 c1))
end
end
end
end end

5
src/db/result_set.cr
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@ -61,6 +61,11 @@ module DB
# Returns the name of the column in `index` 0-based position. # Returns the name of the column in `index` 0-based position.
abstract def column_name(index : Int32) : String abstract def column_name(index : Int32) : String
# Returns the name of the columns.
def column_names
Array(String).new(column_count) { |i| column_name(i) }
end
# Reads the next column value # Reads the next column value
abstract def read abstract def read