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add prepared_statements option to database

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* use ?prepared_statements=true|false on connection string (default: true)
* make inmutable state in database
* make mutable state in connection
* change Connection#build to use the current prepared_statements flag to build prepared or unprepared statements.
This commit is contained in:
Brian J. Cardiff 2016-12-02 22:09:27 -03:00
parent fe0ed55ef9
commit 9ef9d19d1d
6 changed files with 80 additions and 3 deletions
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32
spec/database_spec.cr
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@ -97,4 +97,36 @@ describe DB::Database do
DummyDriver::DummyConnection.connections.size.should eq(2)
end
end
describe "prepared_statements connection option" do
it "defaults to true" do
with_dummy "dummy://localhost:1027" do |db|
db.prepared_statements?.should be_true
end
end
it "can be set to false" do
with_dummy "dummy://localhost:1027?prepared_statements=false" do |db|
db.prepared_statements?.should be_false
end
end
it "is copied to connections and can be changed (false)" do
with_dummy "dummy://localhost:1027?prepared_statements=false&initial_pool_size=1" do |db|
connection = DummyDriver::DummyConnection.connections.first
connection.prepared_statements?.should be_false
connection.prepared_statements = true
connection.prepared_statements?.should be_true
end
end
it "is copied to connections and can be changed (true)" do
with_dummy "dummy://localhost:1027?prepared_statements=true&initial_pool_size=1" do |db|
connection = DummyDriver::DummyConnection.connections.first
connection.prepared_statements?.should be_true
connection.prepared_statements = false
connection.prepared_statements?.should be_false
end
end
end
end