docker: adds mysqldb with test data

Downloads a large open dataset from NYC Open Data.
Then converts date columns into the mysql format.

docker/blocks/mysql_opendata/Dockerfile

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+## MySQL with Open Data Set from NYC Open Data (https://data.cityofnewyork.us)
+
+FROM mysql:latest
+
+ENV MYSQL_DATABASE="testdata" \
+    MYSQL_ROOT_PASSWORD="rootpass" \
+    MYSQL_USER="grafana" \
+    MYSQL_PASSWORD="password"
+
+# Install requirement (wget)
+RUN apt-get update && apt-get install -y wget && apt-get install unzip
+
+# Fetch NYC Data Set
+RUN wget https://data.cityofnewyork.us/download/fpz8-jqf4/application%2Fzip -O /tmp/data.zip && \
+  unzip -j /tmp/data.zip 311_Service_Requests_from_2011.csv -d /var/lib/mysql-files
+
+ADD import_csv.sql /docker-entrypoint-initdb.d/
+
+EXPOSE 3306

docker/blocks/mysql_opendata/fig

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+mysql_opendata:
+  build: blocks/mysql_opendata
+  environment:
+    MYSQL_ROOT_PASSWORD: rootpass
+    MYSQL_DATABASE: testdata
+    MYSQL_USER: grafana
+    MYSQL_PASSWORD: password
+  ports:
+    - "3306:3306"

docker/blocks/mysql_opendata/import_csv.sql

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+use testdata;
+DROP TABLE IF EXISTS `nyc_open_data`;
+CREATE TABLE IF NOT EXISTS `nyc_open_data` (
+  UniqueKey bigint(255),
+  `CreatedDate` varchar(255),
+  `ClosedDate` varchar(255),
+  Agency varchar(255),
+  AgencyName varchar(255),
+  ComplaintType varchar(255),
+  Descriptor varchar(255),
+  LocationType varchar(255),
+  IncidentZip varchar(255),
+  IncidentAddress varchar(255),
+  StreetName varchar(255),
+  CrossStreet1 varchar(255),
+  CrossStreet2 varchar(255),
+  IntersectionStreet1 varchar(255),
+  IntersectionStreet2 varchar(255),
+  AddressType varchar(255),
+  City varchar(255),
+  Landmark varchar(255),
+  FacilityType varchar(255),
+  Status varchar(255),
+  `DueDate` varchar(255),
+  ResolutionDescription varchar(2048),
+  `ResolutionActionUpdatedDate` varchar(255),
+  CommunityBoard varchar(255),
+  Borough varchar(255),
+  XCoordinateStatePlane varchar(255),
+  YCoordinateStatePlane varchar(255),
+  ParkFacilityName varchar(255),
+  ParkBorough varchar(255),
+  SchoolName varchar(255),
+  SchoolNumber varchar(255),
+  SchoolRegion varchar(255),
+  SchoolCode varchar(255),
+  SchoolPhoneNumber varchar(255),
+  SchoolAddress varchar(255),
+  SchoolCity varchar(255),
+  SchoolState varchar(255),
+  SchoolZip varchar(255),
+  SchoolNotFound varchar(255),
+  SchoolOrCitywideComplaint varchar(255),
+  VehicleType varchar(255),
+  TaxiCompanyBorough varchar(255),
+  TaxiPickUpLocation varchar(255),
+  BridgeHighwayName varchar(255),
+  BridgeHighwayDirection varchar(255),
+  RoadRamp varchar(255),
+  BridgeHighwaySegment varchar(255),
+  GarageLotName varchar(255),
+  FerryDirection varchar(255),
+  FerryTerminalName varchar(255),
+  Latitude varchar(255),
+  Longitude varchar(255),
+  Location varchar(255)
+);
+LOAD DATA INFILE '/var/lib/mysql-files/311_Service_Requests_from_2011.csv' INTO TABLE nyc_open_data FIELDS OPTIONALLY ENCLOSED BY '"' TERMINATED BY ',' IGNORE 1 LINES;
+update nyc_open_data set CreatedDate = STR_TO_DATE(CreatedDate, '%m/%d/%Y %r') where CreatedDate <> '';
+update nyc_open_data set ClosedDate = STR_TO_DATE(ClosedDate, '%m/%d/%Y %r') where ClosedDate <> '';
+update nyc_open_data set DueDate = STR_TO_DATE(DueDate, '%m/%d/%Y %r') where DueDate <> '';
+update nyc_open_data set ResolutionActionUpdatedDate = STR_TO_DATE(ResolutionActionUpdatedDate, '%m/%d/%Y %r') where ResolutionActionUpdatedDate <> '';
+
+update nyc_open_data set CreatedDate=null where CreatedDate = '';
+update nyc_open_data set ClosedDate=null where ClosedDate = '';
+update nyc_open_data set DueDate=null where DueDate = '';
+update nyc_open_data set ResolutionActionUpdatedDate=null where ResolutionActionUpdatedDate = '';
+
+alter table nyc_open_data modify CreatedDate datetime null;
+alter table nyc_open_data modify ClosedDate datetime null;
+alter table nyc_open_data modify DueDate datetime null;
+alter table nyc_open_data modify ResolutionActionUpdatedDate datetime null;