CREATE EXTENSION postgis;
CREATE EXTENSION pointcloud;
CREATE EXTENSION pointcloud_postgis;

pdal info --input 20090429_42122c8225_ld_p23.laz --schema
pdal info --input 20090429_42122c8225_ld_p23.laz --metadata --xml

pdal pipeline laz2pg.xml

{
  "pipeline":[
    {
      "type":"readers.las",
      "filename":"C:\foldername\foldername\foldername\nameOfLasFile.las",
      "spatialreference":"EPSG:26916"
    },
    {
      "type":"filters.chipper",
      "capacity":600
    },
    {
      "type":"writers.pgpointcloud",
      "connection":"host='localhost' dbname='nameOfYourDb' user='yourUserName' password='yourPassword'",
      "table":"pcpatches",
      "compression":"dimensional",
      "srid":"26917"
    }
  ]
}

pdal pipeline -i C:foldernametheNameOfYourJsonFile.txt

SELECT PC_AsText(
PC_Explode(nameOfFieldThatContainsYourPatches))
FROM tableName;