{
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              "steps": [
                {
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                {
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                  "transformation": "trivial_condition_removal",
                  "resulting_condition": "t1_bin.a between 'a-3a' and 'zzzzzzzzz'"
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              ]
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          {
            "ref_optimizer_key_uses": []
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            "rows_estimation": [
              {
                "selectivity_for_indexes": [],
                "selectivity_for_columns": [
                  {
                    "column_name": "a",
                    "ranges": ["a-3a <= a <= zzzzzzzzz"],
                    "selectivity_from_histogram": 0.588235294
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                "cond_selectivity": 0.588235294
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              {
                "table": "t1_bin",
                "table_scan": {
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                  "read_cost": 0.0121648,
                  "read_and_compare_cost": 0.0124848
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          {
            "table_dependencies": [
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                "table": "t1_bin",
                "row_may_be_null": false,
                "map_bit": 0,
                "depends_on_map_bits": []
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          {
            "considered_execution_plans": [
              {
                "plan_prefix": "",
                "get_costs_for_tables": [
                  {
                    "best_access_path": {
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                      "plan_details": {
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                      "considered_access_paths": [
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                      "chosen_access_method": {
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                        "uses_join_buffering": false
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              {
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          {
            "best_join_order": ["t1_bin"],
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          {
            "substitute_best_equal": {
              "condition": "WHERE",
              "resulting_condition": "t1_bin.a between 'a-3a' and 'zzzzzzzzz'"
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          },
          {
            "attaching_conditions_to_tables": {
              "attached_conditions_computation": [],
              "attached_conditions_summary": [
                {
                  "table": "t1_bin",
                  "attached_condition": "t1_bin.a between 'a-3a' and 'zzzzzzzzz'"
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          {
            "make_join_readinfo": []
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}