{"text_format":"3","workbook":"xlsx","n_sheets":4,"sheets":["Sheet1","Sheet2","Sheet3","Sheet4"],"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":60,"n_cols":7,"rows_kept":60,"merged":[[1,0,1,1],[1,3,1,4],[15,0,15,1],[15,3,15,4],[21,0,21,1],[21,3,21,4],[29,0,29,1],[29,3,29,4],[34,0,34,1],[34,3,34,4],[41,0,41,1],[41,3,41,4],[45,0,45,1],[45,3,45,4],[50,0,50,1],[50,3,50,4]]}
[]
["correspondences",null,null,"rfas",null,null,"transmittals"]
["Column","FKs",null,"Column","FKs"]
["correspondence_id",null,null,"rfa_id"]
["correspondence_number ",null,null,"  -- rfa_number"]
["correspondence_type_id","correspondence_types.type_id",null,"rfa_type_id ","rfa_types.rfa_type_id "]
[]
["project_id","projects.project_id",null,"  -- project_id"]
["originator_id","organizations.originator_id"]
["recipient_id","organizations.originator_id"]
[]
["created_by","users.user_id",null,"created_by","users.user_id"]
["created_at",null,null,"created_at"]
["deleted_at",null,null,"deleted_at"]
["is_internal_communication"]
["   -- Track current/latest revision",null,null,"   -- Track current/latest revision"]
["current_revision_id","correspondence_revisions",null,"current_revision_id","rfa_revisions.rfa_revision_id"]
["latest_revision_number",null,null,"latest_revision_number"]
[]
[]
[]
["correspondence_revisions",null,null,"rfa_revisions"]
["Column","FKs",null,"Column","FKs"]
["correspondence_revision_id",null,null,"rfa_revision_id"]
["correspondence_id","correspondences.correspondence_id",null,"correspondence_id","correspondences.correspondence_id"]
[{"$nulls":3},"rfa_id","rfas.rfa_id"]
["revision_number",null,null,"revision_number"]
["revision_label",null,null,"revision_label"]
[]
["  -- สถานะเฉพาะของ Revision นี้",null,null,"  -- สถานะเฉพาะของ Revision นี้"]
["is_current",null,null,"is_current"]
["correspondence_status_id","correspondence_status",null,"status_code_id","rfa"]
[{"$nulls":3},"approve_code_id","rfa"]
[]
["  -- ข้อมูลที่เปลี่ยนแปลงตาม Revision",null,null,"  -- ข้อมูลที่เปลี่ยนแปลงตาม Revision"]
[" title",null,null,"title"]
["issued_date",null,null,"issued_date"]
["received_date",null,null,"received_date"]
["due_date",null,null,"due_date"]
[{"$nulls":3},"approved_date"]
[]
["  -- Metadata",null,null,"  -- Metadata"]
["revision_description",null,null,"revision_description"]
["details  JSON"]
[]
["  -- Audit",null,null,"  -- Audit"]
["created_at",null,null,"created_at"]
["created_by","users",null,"created_by"]
[{"$nulls":3},"updated_by"]
[]
["  -- pdf_path เก็บไฟล์ที่ตาราง correspondence_attachments,",null,null,"  -- pdf_path   เก็บไฟล์ที่ ตาราง rfa_attachments,"]
[]
[]
[]
[]
[]
[]
[48,"blow/ft"]
[{"$f":"A58/(12*2.54)","v":1.574803149606299},"cm./blow"]
[{"$f":"A59*10","v":15.74803149606299}]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0}

{"sheet":"Sheet3","index":2,"n_rows":56,"n_cols":12,"rows_kept":56}
[]
[]
[1.1,"correspondence_types"]
[null,null,1.2,"rfa_types"]
[1.3,"correspondence_status"]
[]
[2.1,"correspondences",2.2,"rfas",2.3,"tags",2.4,"circulations",2.5,"shop_drawings"]
[]
[null,null,"3.1.1","rfa_approve_codes"]
[null,null,"3.1.2","rfa_status_codes"]
[3.2,"correspondence_revisions",3.3,"rfa_revisions",{"$nulls":4},3.4,"shop_drawing_revisions",3.5,"transmittals"]
[]
[{"$nulls":4},"4.1.2.","correspondence_tags",null,null,"4.1.3","shop_drawing_revision_contract_refs"]
["4.2.1","correspondence_status_transitions","4.2.2","rfa_status_transitions",null,null,"4.2.3","circulation_status_transitions"]
[]
[]
[]
[5,"attachments","4.1.1","rfa_items",{"$nulls":6},"4.1.4","transmittal_items"]
[]
["5.1.1","correspondence_routing_templates","5.2.1","rfa_workflow_templates",null,null,"5.3.1","circulation_templates"]
[]
["5.1.2","correspondence_routing_template_steps ","5.2.2","rfa_workflow_template_steps",null,null,"5.3.2","circulation_template_assignees"]
[]
["5.1.3","correspondence_routings","5.2.3","rfa_workflows",null,null,"5.3.3","circulation_assignees"]
[]
["5.1.4","correspondence_recipients",{"$nulls":4},"5.3.4","circulation_recipients"]
[]
["5.1.5","correspondence_references ",{"$nulls":4},"5.3.5","circulation_actions"]
[]
[{"$nulls":6},"5.3.6","circulation_action_documents"]
[]
[]
[]
[null,"audit_logs","5.1.1","correspondence_routing_templates"]
[null,"user_project_roles","5.2.1","rfa_workflow_templates"]
[null,"user_roles","5.3.1","circulation_templates"]
[null,"role_permissions"]
[null,"contract_parties"]
[null,"project_parties"]
["5.1.5","correspondence_references "]
["5.1.4","correspondence_recipients"]
["5.1.3","correspondence_routings"]
["5.1.2","correspondence_routing_template_steps "]
["5.2.3","rfa_workflows"]
["5.2.2","rfa_workflow_template_steps"]
["4.2.2","rfa_status_transitions"]
["4.1.1","rfa_items"]
["5.3.5","circulation_action_documents"]
["5.3.4","circulation_recipients"]
["5.3.3","circulation_assignees"]
["5.3.2","circulation_template_assignees"]
["5.3.6","circulation_action_documents"]
["5.3.5","circulation_actions"]
["5.3.4","circulation_recipients"]
["5.3.3","circulation_assignees"]
["5.3.2","circulation_template_assignees"]

{"sheet":"Sheet4","index":3,"n_rows":0,"n_cols":0,"rows_kept":0}