Module: RaceGuard::IndexIntegrity::SchemaIndexSend

Defined in:
lib/race_guard/index_integrity/schema_index_send.rb

Overview

Internal: extract IndexDefinition from add_index / t.index send nodes (Epic 5.2).

Class Method Summary collapse

Class Method Details

.try_unique_index(send_node, forced_table:) ⇒ Object

Parameters:

  • forced_table (Symbol, nil) —

    nil for add_index, set for t.index



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# File 'lib/race_guard/index_integrity/schema_index_send.rb', line 11

def try_unique_index(send_node, forced_table:)
  args = send_node.children.drop(2)
  table, cols_node, opts = extract_parts(args, forced_table: forced_table)
  return nil unless table && cols_node

  cols = SchemaAst.column_array_to_syms(cols_node)
  return nil unless cols && !cols.empty?
  return nil if hash_skipped?(opts)

  unique = hash_true?(opts, :unique)
  return nil unless unique

  name = hash_name(opts)
  IndexDefinition.new(table: table, columns: cols, unique: true, name: name)
end