IJ's describe command does not handle quotes very well
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Key: DERBY-2019
URL: http://issues.apache.org/jira/browse/DERBY-2019
Project: Derby
Issue Type: Bug
Components: Tools
Affects Versions: 10.2.1.6, 10.3.0.0
Reporter: John H. Embretsen
Priority: Minor
In IJ, the describe <table | view> command does not handle quotes very well.
Current behavior is:
a) Double quotes:
IJ does not recognize describe command when encountering double quotes.
ij> create table "CamelCaseTable" (col1_in_cct int);
0 rows inserted/updated/deleted
ij> describe "CamelCaseTable";
ERROR 42X01: Syntax error: Encountered "describe" at line 1, column 1.
I'm assuming that it should be possible to execute the describe command on
case-sensitive table names.
b) Single quotes:
IJ describes all tables in current schema when encountering two single quotes
after the describe command.
ij> create table table1 (col1_table1 int);
0 rows inserted/updated/deleted
ij> create table table2 (col1_table2 int);
0 rows inserted/updated/deleted
ij> describe '';
COLUMN_NAME
|TYPE_NAME|DEC&|NUM&|COLUM&|COLUMN_DEF|CHAR_OCTE&|IS_NULL&
------------------------------------------------------------------------------
COL1_TABLE1 |INTEGER |0 |10 |10 |NULL |NULL |YES
COL1_TABLE2 |INTEGER |0 |10 |10 |NULL |NULL |YES
2 rows selected
In case b), it does not make a difference whether the single quotes actually
surround a valid table name, some garbage, or nothing at all.
I must admit that b) seems like a useful feature, listing all columns in all
tables in a schema, but it's usage is not very intuitive, nor is it documented,
so this may be a bug.
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