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desc.sql
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98 lines (74 loc) · 2.92 KB
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--
-- This script needs the package desc_table, found in ..\desc_table\spec.plsql and ..\desc_table\body.plsql
--
set verify off
declare
description desc_table.description;
cols desc_table.cols_t;
cur_col_no number;
i number;
begin
description := desc_table.describe('&1');
cols := description.cols;
dbms_output.new_line;
dbms_output.put_line(' Describing ' || description.tab.own || '.' || description.tab.nam);
dbms_output.put_line(' Type: ' || description.tab_type);
dbms_output.put_line(' Comment: ' || description.tab_comment);
dbms_output.put_line(' ------------------------------------------------------------');
dbms_output.put_line(' Name Null? Type PK');
dbms_output.put_line(' ------------------------------ -------- ----------------- --');
cur_col_no := cols.first;
while cur_col_no is not null loop/*{*/
dbms_output.put(' ');
dbms_output.put(rpad(cols(cur_col_no).name,30));
dbms_output.put(' ');
if (cols(cur_col_no).nullable) then
dbms_output.put(' ');
else
dbms_output.put('NOT NULL ');
end if;
dbms_output.put(rpad(cols(cur_col_no).datatype, 17));
if description.pks.exists(cols(cur_col_no).name) then
dbms_output.put(lpad(to_char(description.pks(cols(cur_col_no).name)),3));
else
dbms_output.put(' ');
end if;
dbms_output.new_line();
cur_col_no:=cols.next(cur_col_no);
end loop;/*}*/
if description.parents.count > 0 then/*{*/
dbms_output.new_line;
dbms_output.put_line(' Parents: ');
for parent_no in 1 .. description.parents.count loop
dbms_output.put_line(' ' || description.parents(parent_no).own || '.' || description.parents(parent_no).nam);
end loop;
dbms_output.new_line;
end if;/*}*/
if description.children.count > 0 then/*{*/
dbms_output.new_line;
dbms_output.put_line(' Children: ');
for child_no in 1 .. description.children.count loop
dbms_output.put_line(' ' || description.children(child_no).own || '.' || description.children(child_no).nam);
end loop;
dbms_output.new_line;
end if;/*}*/
if description.col_comments.count > 0 then/*{*/
dbms_output.new_line;
dbms_output.put_line(' Column comments:');
dbms_output.put_line(' ---------------');
dbms_output.new_line;
for cur_col_idx /* not pos ! */ in 1 .. description.col_comments.count loop
dbms_output.put(' ');
dbms_output.put_line(cols(description.col_comments(cur_col_idx).pos).name || ': ' || description.col_comments(cur_col_idx).comment);
dbms_output.new_line;
cur_col_no:=cols.next(cur_col_no);
end loop;
end if;/*}*/
exception/*{*/
when desc_table.table_does_not_exist then
dbms_output.put_line('no such table: &1');
when others then
dbms_output.put_line('unknown exception, ' || sqlerrm || '(' || sqlcode || ')');
/*}*/
end;
/