From 74d5053f15df9dfb6a0f37f331eda9fa7c92365e Mon Sep 17 00:00:00 2001
From: sebastien curt <sebastien.curt@tetras-libre.fr>
Date: Tue, 10 Nov 2020 17:20:45 +0100
Subject: [PATCH] monetdb dashboard sample
---
dashboards/MonetDB.ipynb | 522 ++++++++++++++++++++++++++++++++++++--
dashboards/naissances.sql | 43 ++++
2 files changed, 541 insertions(+), 24 deletions(-)
create mode 100644 dashboards/naissances.sql
diff --git a/dashboards/MonetDB.ipynb b/dashboards/MonetDB.ipynb
index c4c0b01..e176b28 100644
--- a/dashboards/MonetDB.ipynb
+++ b/dashboards/MonetDB.ipynb
@@ -1,44 +1,518 @@
{
"cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Affichage des données"
+ ]
+ },
{
"cell_type": "code",
- "execution_count": 1,
+ "execution_count": 63,
"metadata": {},
"outputs": [
{
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "Successfully connected to localDB with default credentials, please change the monetdb password by running docker-compose exec localDB -d monetdb-r /root/set-monetdb-password.sh <password>\n"
- ]
+ "data": {
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+ " }\n",
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+ " }\n",
+ "\n",
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+ " if (callback != null)\n",
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+ " delete root._bokeh_onload_callbacks\n",
+ " }\n",
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+ "\n",
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+ "}\n"
+ ],
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+ },
+ "metadata": {},
+ "output_type": "display_data"
+ },
+ {
+ "data": {
+ "application/vnd.jupyter.widget-view+json": {
+ "model_id": "e3be3d541f804695896911ad8c8f1895",
+ "version_major": 2,
+ "version_minor": 0
+ },
+ "text/plain": [
+ "Column\n",
+ " [0] Select(name='y axis values', options=['nombre', 'taux'], value='nombre')\n",
+ " [1] ParamFunction(function)"
+ ]
+ },
+ "execution_count": 63,
+ "metadata": {},
+ "output_type": "execute_result"
}
],
"source": [
"import pymonetdb\n",
+ "from bokeh.plotting import figure, output_file, show\n",
+ "from bokeh.models import ColumnDataSource\n",
+ "import pandas as pd\n",
+ "import numpy as np\n",
+ "import panel as pn\n",
+ "\n",
+ "pn.extension(comms='ipywidgets')\n",
+ "\n",
+ "def create_connection():\n",
+ " return pymonetdb.connect(username=\"monetdb\", password=\"monetdb\",\n",
+ " hostname=\"localDB\", database=\"db\")\n",
+ "\n",
+ "def checkTableExists(dbcon, tablename):\n",
+ " dbcur = dbcon.cursor()\n",
+ " dbcur.execute(\"\"\"\n",
+ " SELECT COUNT(*)\n",
+ " FROM tables\n",
+ " WHERE name = '{0}'\n",
+ " \"\"\".format(tablename.replace('\\'', '\\'\\'')))\n",
+ " if dbcur.fetchone()[0] == 1:\n",
+ " dbcur.close()\n",
+ " return True\n",
+ "\n",
+ " dbcur.close()\n",
+ " return False\n",
"\n",
- "# set up a connection. arguments below are the defaults\n",
- "connection = pymonetdb.connect(username=\"monetdb\", password=\"monetdb\",\n",
- " hostname=\"localDB\", database=\"db\")\n",
+ "def get_sql_script_content(filename):\n",
+ " sql_script_file = open(filename, \"r\") \n",
+ " sql_script_content = sql_script_file.read()\n",
+ " sql_script_file.close()\n",
+ " return sql_script_content\n",
"\n",
- "# create a cursor\n",
- "cursor = connection.cursor()\n",
+ "def execute_file_script(dbcon, filename):\n",
+ " sql_script_content = get_sql_script_content(filename)\n",
+ " execute_moneydb_script(connection, sql_script_content)\n",
+ " dbcon.command(sqlscript)\n",
+ " connection.commit()\n",
+ " \n",
+ "def create_database():\n",
+ " execute_file_script(connection, \"naissances.sql\")\n",
"\n",
- "# increase the rows fetched to increase performance (optional)\n",
- "cursor.arraysize = 100\n",
+ "def execute_db_command(connection, sql_command):\n",
+ " # create a cursor\n",
+ " cursor = connection.cursor()\n",
"\n",
- "# execute a query (return the number of rows to fetch)\n",
- "res=cursor.execute('SELECT * FROM tables')\n",
+ " # increase the rows fetched to increase performance (optional)\n",
+ " cursor.arraysize = 100\n",
+ " \n",
+ " # execute the query\n",
+ " cursor.execute(sql_command)\n",
+ " \n",
+ " # fetch results\n",
+ " result = cursor.fetchall()\n",
+ " \n",
+ " # close cursor\n",
+ " cursor.close()\n",
+ " return result\n",
+ " \n",
"\n",
- "if (res > 0):\n",
- " print('Successfully connected to localDB with default credentials, please change the monetdb password by running docker-compose exec localDB -d monetdb-r /root/set-monetdb-password.sh <password>')"
+ "def get_db_data(connection, y_axis):\n",
+ " return execute_db_command(connection, 'SELECT annee, {} FROM naissances'.format(y_axis))\n",
+ "\n",
+ "\n",
+ "condb = create_connection()\n",
+ "if checkTableExists(condb, \"naissances\") == False:\n",
+ " create_database(condb)\n",
+ "condb.close()\n",
+ "\n",
+ "selector = pn.widgets.Select(name='y axis values', options=['nombre', 'taux'])\n",
+ "\n",
+ "# fetch data\n",
+ "\n",
+ "@pn.depends(selector.param.value)\n",
+ "def getplot(y_axis):\n",
+ " connection = create_connection()\n",
+ " data=get_db_data(connection, y_axis)\n",
+ " \n",
+ " if y_axis == 'nombre':\n",
+ " y_axis_name='Nombre de naissance'\n",
+ " else:\n",
+ " y_axis_name='Taux de naissance'\n",
+ "\n",
+ " df = pd.DataFrame(np.array(data), columns = [ 'annee', y_axis])\n",
+ " plot = figure(x_axis_label='annee',\n",
+ " y_axis_label=y_axis_name,\n",
+ " title=\"Naissances en france depuis 1982\")\n",
+ " plot.line('annee', y_axis, source=df)\n",
+ " \n",
+ " connection.close()\n",
+ " return plot\n",
+ "\n",
+ "#graph\n",
+ "pn.Column(selector, getplot).servable()\n",
+ "#pn.panel(graph)\n"
]
- },
- {
- "cell_type": "code",
- "execution_count": null,
- "metadata": {},
- "outputs": [],
- "source": []
}
],
"metadata": {
diff --git a/dashboards/naissances.sql b/dashboards/naissances.sql
new file mode 100644
index 0000000..12a57a9
--- /dev/null
+++ b/dashboards/naissances.sql
@@ -0,0 +1,43 @@
+-- drop table if necessary
+drop table if exists naissances cascade;
+
+create table naissances(annee int, nombre bigint, taux real);
+
+insert into naissances values
+(2019,753000,11.2),
+(2018,758590,11.3),
+(2017,769553,11.5),
+(2016,783640,11.8),
+(2015,798948,12.0),
+(2013,811510,12.3),
+(2012,821047,12.6),
+(2011,823394,12.7),
+(2010,832799,12.9),
+(2009,824641,12.8),
+(2008,828404,12.9),
+(2007,818705,12.8),
+(2006,829352,13.1),
+(2005,806822,12.8),
+(2004,799361,12.8),
+(2003,793044,12.8),
+(2002,792745,12.9),
+(2001,803234,13.1),
+(2000,807405,13.3),
+(1999,775796,12.9),
+(1998,767906,12.8),
+(1997,757384,12.7),
+(1996,764028,12.8),
+(1995,759058,12.8),
+(1994,740774,12.5),
+(1993,741306,12.6),
+(1992,774755,13.2),
+(1991,790078,13.5),
+(1990,793071,13.6),
+(1989,796101,13.8),
+(1988,800560,13.9),
+(1987,795790,13.9),
+(1986,805543,14.2),
+(1985,796138,14.1),
+(1984,787429,14.0),
+(1983,775441,13.8),
+(1982,823260,14.8);
\ No newline at end of file
--
GitLab