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feat(oracle): provide toggle layout functionality #239

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feat(oracle): provide toggle layout functionality #239

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15 changes: 14 additions & 1 deletion autoload/db_ui/dbout.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -86,14 +86,27 @@ function! db_ui#dbout#toggle_layout() abort
endif
let content = join(readfile(b:db.input), "\n")
let expanded_layout = get(b:, 'db_ui_expanded_layout', 0)
let layout_query = ''
let filetype = get(scheme, 'filetype', '')

if filetype == 'plsql'
let layout_query = get(scheme, 'layout_query')
" Extract SELECT statement from content (it gets only the first one)
let content = matchstr(content, '\vSELECT.{-};')
let content = substitute(content, ';\?$', ' '.scheme.layout_flag, '')
let content = substitute(content, '\n', ' ', 'g')
let content = substitute(content, "'", "''", "g")
let content = layout_query . "exec print_cols_as_rows('".content."');\nset feedback off;\ndrop procedure print_cols_as_rows;\n"
else
let content = substitute(content, ';\?$', ' '.scheme.layout_flag, '')
endif

if expanded_layout
let b:db_ui_expanded_layout = !expanded_layout
norm R
return
endif

let content = substitute(content, ';\?$', ' '.scheme.layout_flag, '')
let tmp = tempname()
call writefile(split(content, "\n"), tmp)
let old_db_input = b:db.input
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47 changes: 47 additions & 0 deletions autoload/db_ui/schemas.vim
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Expand Up @@ -118,6 +118,51 @@ let s:oracle_foreign_key_query = "
\ WHERE CON.constraint_type = 'R'
\ AND U.common = 'NO'
\ AND RFRING.column_name = '{col_name}'"
let s:oracle_toggle_layout_query = "
\ set feedback off \n
\ create or replace procedure print_cols_as_rows( p_query in varchar2 )\n
\ AUTHID CURRENT_USER is\n
\ l_descriptionTable dbms_sql.desc_tab;\n
\ l_execStatus integer;\n
\ l_columnCount integer;\n
\ l_rowCount integer;\n
\ l_currentColumnLength integer;\n
\ l_maxColumnLength integer := 0;\n
\ l_theCursor integer default dbms_sql.open_cursor;\n
\ l_columnValue varchar2(4000);\n
\ dash_line varchar2(30) := rpad('-', 30, '-');
\ begin \n
\ dbms_sql.parse(l_theCursor, p_query, dbms_sql.native);\n
\ dbms_sql.describe_columns(l_theCursor, l_columnCount, l_descriptionTable);\n
\
\ for i in 1 .. l_columnCount loop\n
\ dbms_sql.define_column(l_theCursor, i, l_columnValue, 4000);\n
\ l_currentColumnLength := LENGTH(l_descriptionTable(i).col_name);\n
\ if l_currentColumnLength > l_maxColumnLength then\n
\ l_maxColumnLength := l_currentColumnLength;\n
\ end if;\n
\ end loop;\n
\
\ l_execStatus := dbms_sql.execute(l_theCursor);\n
\ l_rowCount := 0;\n
\ while ( dbms_sql.fetch_rows(l_theCursor) > 0 ) loop\n
\ l_rowCount := l_rowCount + 1;\n
\ dbms_output.put_line( dash_line || ' ' || l_rowCount || '. row ' || dash_line);\n
\ for i in 1 .. l_columnCount loop\n
\ dbms_sql.column_value(l_theCursor, i, l_columnValue );\n
\ dbms_output.put_line(rpad(l_descriptionTable(i).col_name,
\ l_maxColumnLength + 1)
\ || ': ' || l_columnValue );\n
\ end loop;\n
\ end loop;\n
\ if l_rowCount = 0 then\n
\ dbms_output.put_line('no rows found');\n
\ end if;\n
\ end;\n
\ /\n
\
\ set feedback on \n
\ set serveroutput on \n"
let s:oracle_schemes_tables_query = "
\SELECT /*csv*/ T.owner, T.table_name
\ FROM (
Expand All @@ -136,6 +181,8 @@ let s:oracle = {
\ 'default_scheme': '',
\ 'foreign_key_query': printf(s:oracle_args, s:oracle_foreign_key_query),
\ 'has_virtual_results': v:true,
\ 'layout_flag': '',
\ 'layout_query': s:oracle_toggle_layout_query,
\ 'parse_results': {results, min_len -> s:results_parser(results[3:], '\s\s\+', min_len)},
\ 'parse_virtual_results': {results, min_len -> s:results_parser(results[3:], '\s\s\+', min_len)},
\ 'requires_stdin': v:true,
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