Updated to Crystal 0.18.0

src/sqlite3/database.cr

@@ -84,6 +84,10 @@ class SQLite3::Database
     execute(sql, binds)
   end
 
+  def execute(sql, **binds)
+    execute(sql, binds)
+  end
+
   # Executes the given SQL statement. If additional parameters are given, they are treated as bind variables,
   # and are bound to the placeholders in the query.
   #
@@ -97,6 +101,12 @@ class SQLite3::Database
     end
   end
 
+  def execute(sql, **binds, &block)
+    execute(sql, binds) do |row|
+      yield row
+    end
+  end
+
   # Executes the given SQL statement. If additional parameters are given, they are treated as bind variables,
   # and are bound to the placeholders in the query.
   #
@@ -104,7 +114,7 @@ class SQLite3::Database
   # with the key being used as the name of the placeholder to bind the value to.
   #
   # Returns an `Array(Array(Value))`.
-  def execute(sql, binds : Enumerable)
+  def execute(sql, binds : Enumerable | NamedTuple)
     rows = [] of Array(Value)
     execute(sql, binds) do |row|
       rows << row
@@ -119,7 +129,7 @@ class SQLite3::Database
   # with the key being used as the name of the placeholder to bind the value to.
   #
   # Yields one `Array(Value)` for each result.
-  def execute(sql, binds : Enumerable, &block)
+  def execute(sql, binds : Enumerable | NamedTuple, &block)
     query(sql, binds) do |result_set|
       while result_set.next
         yield result_set.to_a
@@ -149,7 +159,7 @@ class SQLite3::Database
   end
 
   # A convenience method that returns the first value of the first row of a query result.
-  def get_first_value(sql, binds : Enumerable)
+  def get_first_value(sql, binds : Enumerable | NamedTuple)
     query(sql, binds) do |result_set|
       if result_set.next
         return result_set[0]
@@ -172,17 +182,27 @@ class SQLite3::Database
   end
 
   # Executes a query and gives back a `ResultSet`.
-  def query(sql, binds : Enumerable)
+  def query(sql, binds : Enumerable | NamedTuple)
     prepare(sql).execute(binds)
   end
 
   # Executes a query and yields a `ResultSet` that will be closed at the end of the given block.
-  def query(sql, binds : Enumerable, &block)
+  def query(sql, binds : Enumerable | NamedTuple, &block)
     prepare(sql).execute(binds) do |result_set|
       yield result_set
     end
   end
 
+  def query(sql, **binds)
+    query(sql, binds)
+  end
+
+  def query(sql, **binds, &block)
+    query(sql, binds) do |rs|
+      yield rs
+    end
+  end
+
   # Prepares an sql statement. Returns a `Statement`.
   def prepare(sql)
     Statement.new(self, sql)

src/sqlite3/statement.cr

@@ -61,22 +61,40 @@ class SQLite3::Statement
   # Executes this statement with the given binds and returns a `ResultSet`.
   def execute(binds : Enumerable)
     reset
-    # TODO use offset after Crystal 0.6.2
-    binds.each_with_index do |bind_value, index|
-      self[index + 1] = bind_value
+    binds.each_with_index(1) do |bind_value, index|
+      self[index] = bind_value
+    end
+    ResultSet.new self
+  end
+
+  # Executes this statement with the given binds and returns a `ResultSet`.
+  def execute(binds : NamedTuple)
+    reset
+    binds.each do |name, bind_value|
+      self[name] = bind_value
     end
     ResultSet.new self
   end
 
   # Executes this statement with the given binds and yields a `ResultSet` that
   # will be closed at the end of the block.
-  def execute(binds : Enumerable | Slice(UInt8), &block)
+  def execute(binds : Enumerable | NamedTuple | Slice(UInt8), &block)
     result_set = execute(binds)
     yield result_set
   ensure
     close
   end
 
+  def execute(**binds)
+    execute(binds)
+  end
+
+  def execute(**binds, &block)
+    execute(binds) do |rs|
+      yield rs
+    end
+  end
+
   # Returns the value of the given column by index (1-based).
   def [](index : Int)
     case type = column_type(index)
@@ -156,6 +174,10 @@ class SQLite3::Statement
     end
   end
 
+  def []=(index : Int, tuple : Tuple(String | Symbol, U))
+    self[tuple[0]] = tuple[1]
+  end
+
   # Returns the column names of this statement.
   def columns
     Array.new(column_count) { |i| column_name(i) }

src/sqlite3/type.cr

@@ -1,8 +1,8 @@
 # Each of the possible types of an SQLite3 column.
 enum SQLite3::Type
   INTEGER = 1
-  FLOAT = 2
-  BLOB = 4
-  NULL = 5
-  TEXT = 3
+  FLOAT   = 2
+  BLOB    = 4
+  NULL    = 5
+  TEXT    = 3
 end