PhilippSalvisberg

ERD

see Mermaid

Detailled

erDiagram
direction LR

PhilippSalvisberg

drop table if exists t;
create table t (data json(object));
declare
   x varchar2(40 byte) := '{ "greet": "merry x-mas" , "to": "all" }';
begin
   insert into t values (x);
end;
/
declare
   x varchar2(20 byte) := '{xmas:[1,2,3,4,5,6]}';

PhilippSalvisberg

Using PL/SQL Debuger with OracleDB 23.5 within Docker on a Mac with an Apple Silicon Chip

1. Create the Oracle Database

# create container
docker run -d \
    --name oracledb \
    -p 1523:1521 \
    -v oradata:/opt/oracle/oradata \

PhilippSalvisberg

Wish List for SQLDev's SDK for VSCode

The SQL Developer team is planning to release an SDK for their Oracle SQL Developer Extension for VSCode.

This Gist contains a list of features we would like to see in the SDK.

Features

1. Access to Database Connections

PhilippSalvisberg

create or replace package utf8 is
   function codepoint_to_bytes(in_codepoint in varchar2) return varchar2 deterministic;
   function bytes_to_codepoint(in_bytes in varchar2) return varchar2 deterministic;
   function codepoint_to_unistr(in_codepoint in varchar2) return varchar2 deterministic;
   function unistr_to_codepoint(in_unistr in varchar2) return varchar2 deterministic;
end utf8;
/

create or replace package body utf8 is
   function hex_to_num(in_hex in varchar2) return integer deterministic;

PhilippSalvisberg

-- MLE inline call spec in 23.3 (does not work in 24.4) anymore
/*
create or replace function find_terms (
   "in_terms" in varchar2, 
   "in_text"  in varchar2
) return json is mle language javascript q'[
    var found_terms = [];
    var terms_array = in_terms.split(',');
    for (var i = 0; i < terms_array.length; i++) {
        var term = terms_array[i].trim().toLowerCase();

PhilippSalvisberg

-- --------------------------------------------------------------------------------------------------------------------
-- Minimal Arbori program (expected by the formatter, also expected: "order_by_clause___0").
-- --------------------------------------------------------------------------------------------------------------------
include "std.arbori"
dummy: :indentConditions & [node) identifier;
skipWhiteSpaceBeforeNode: runOnce -> { var doNotCallCallbackFunction;}
dontFormatNode: [node) numeric_literal | [node) path ->;

-- --------------------------------------------------------------------------------------------------------------------
-- Keep existing whitespace.

PhilippSalvisberg

-- ------------------------------------------------------------------------------------------------
-- do-it-yourself implementation of any_value for strings 
-- based on http://db-oriented.com/2021/02/20/diy-any_value/
-- use Oracle Database 9i or higher, connected as HR user.
-- ------------------------------------------------------------------------------------------------

create or replace type any_value_string_t as object
(
   v_value varchar2(4000),
   static function odciaggregateinitialize(sctx in out any_value_string_t) return number,

PhilippSalvisberg

[
{
  "name":"com.trivadis.plsql.formatter.TvdFormat",
  "methods":[{"name":"main","parameterTypes":["java.lang.String[]"] }]}
,
{
  "name":"java.lang.ClassLoader",
  "methods":[
    {"name":"getPlatformClassLoader","parameterTypes":[] }, 
    {"name":"loadClass","parameterTypes":["java.lang.String"] }

PhilippSalvisberg

import com.oracle.truffle.js.scriptengine.GraalJSScriptEngine;
import org.graalvm.polyglot.Context;

import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptException;
import java.util.HashMap;

public class Demo {
    public static void main(String[] args) throws ScriptException {