Module: QuoteSql::Deprecated

Includes:
Dsql
Defined in:
lib/quote_sql/deprecated.rb

Defined Under Namespace

Modules: Dsql, Relation, String

Instance Method Summary collapse

Methods included from Dsql

#dsql

Instance Method Details

#exec ⇒ Object 



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# File 'lib/quote_sql/deprecated.rb', line 104

def exec
  result = conn.exec_query(self)
  columns = result.columns.map(&:to_sym)
  result.cast_values.map do |row|
    row = [row] unless row.is_a? Array
    [columns, row].transpose.to_h
  end
end

#quote_exec ⇒ Object 



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# File 'lib/quote_sql/deprecated.rb', line 113

def quote_exec(**)
  quote_sql(**).exec
end

#quote_sql(**options) ⇒ Object 



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# File 'lib/quote_sql/deprecated.rb', line 22

def quote_sql(**options)
  loop do
    # keys = []
    break unless gsub!(%r{(?<=^|\W)[:$](#{options.keys.join("|")})(?=\W|$)}) do |m|
      key = m[1..].to_sym
      # keys << key
      next m unless options.key? key
      sub = options[key]
      case sub
      when Arel::Nodes::SqlLiteral
        next sub
      when NilClass
        next "NULL"
      when TrueClass, FalseClass
        next sub.to_s.upcase
      when Time
        sub = sub.strftime("%Y-%m-%d %H:%M:%S.%3N%z")
      end
      if sub.respond_to? :to_sql
        next sub.to_sql
      end
      case m
      when /^:(.+)_(FROM_CLAUSE)$/ # prefix (column,...) AS ( VALUES (data::CAST, ...), ...)
        name = conn.quote_column_name($1)
        casts = sub.shift.transform_keys(&:to_s)
        rv = quote_sql_values(sub, casts)
        column_names = casts.map { conn.quote_column_name(_2.key?(:as) ? _2[:as] : _1) }
        next "(VALUES \n(#{rv.join("),\n(")})\n ) #{name} (#{column_names.join(",") })"

      when /^:(.+)_(as_select)$/i # prefix (column,...) AS ( VALUES (data::CAST, ...), ...)
        name = conn.quote_column_name($1)
        casts = sub.shift.transform_keys(&:to_s)
        rv = quote_sql_values(sub, casts)
        next "SELECT * FROM (VALUES \n(#{rv.join("),\n(")})\n ) #{name} (#{casts.keys.map { conn.quote_column_name(_1) }.join(",") })"
      when /^:(.+)_(as_values)$/i # prefix (column,...) AS ( VALUES (data::CAST, ...), ...)
        name = conn.quote_column_name($1)
        casts = sub.shift.transform_keys(&:to_s)
        rv = quote_sql_values(sub, casts)
        next "#{name} (#{casts.keys.map { conn.quote_column_name(_1) }.join(",") }) AS ( VALUES \n(#{rv.join("),\n(")})\n )"
      when /^:(.+)_(values)$/i
        casts = sub.shift.transform_keys(&:to_sym)
        rv = quote_sql_values(sub, casts)
        next "VALUES \n(#{rv.join("),\n(")})\n"
      when /_(LIST)$/i
        next sub.map { conn.quote _1 }.join(",")
      when /_(args)$/i
        next sub.join(',')
      when /_(raw|sql)$/i
        next sub
      when /_(ident|column)$/i, /table_name$/, /_?columns?$/, /column_names$/
        if sub.is_a? Array
          next sub.map do
            _1[/^"[^"]+"\."[^"]+"$/] ? _1 : conn.quote_column_name(_1)
          end.join(',')
        else
          next conn.quote_column_name(sub)
        end
      when /(?<=_)jsonb?$/i
        next conn.quote(sub.to_json) + "::#{$MATCH}"
      when /(?<=_)(uuid|int|text)$/i
        cast = "::#{$MATCH}"
      end
      case sub
      when Regexp
        sub.to_postgres
      when Array
        dims = 1 # todo more dimensional Arrays
        dive = ->(ary) do
          ary.map { |s| conn.quote s }.join(',')
        end
        sub = "[#{dive.call sub}]"
        cast += "[]" * dims if cast.present?
        "ARRAY#{sub}#{cast}"
      else
        "#{conn.quote(sub)}#{cast}"
      end
    end
    # break if options.except!(*keys).blank?
  end
  Arel.sql self
end